Physics High School

Using a simple machine, a student is able to lift a 500N weight by applying only 100N.

What is the mechanical advantage of the simple machine?

A) 0.2

B) 1

C) 5

D) 50000

Answers

Answer 1
Hey there!

[tex] a \ student \ is \ able \ to \ lift \ a \ 500(n) \\ weight \ by \ applying \ only \ 100(n) \\ \\ so, \ this \ info \ here, \ we \ simply \ divide \ by \\ how \ much \ this \ kid \ lifted, \ by \ the \ weight \ he/she \\ \ is \ applying. \\ \\ \left[\begin{array}{ccc}\boxed{\boxed{500(n)/100(n)}}\end{array}\right] \\ \\ and \ from \ this,\ your \ answer \ would \ \\ conclude \ to \ be \ (5) \\ \\ \boxed{5} \ would \ be \ your \ answer![/tex]

Hope this helps you!

Related Questions

14.

In an experiment, the independent variable _____.
affects the dependent variable
is a special type of control
should never be changed
changes in response to the dependent variable

Answers

In an experiment, the independent variable _____.

A. In an experiment, the independent variable affects the dependent variable.

Answer:

Affects the dependent variable.

Explanation:

A dependent variable is defined as the variable which is being tested during an experiment.

The dependent variable is the variable which is always dependent on the independent variable.

As in the experiments if the the value of independent variable then this change in independent variable will change the value of dependent variable.

For example: A scientist is recording the effect of light and dark on the moth by turning it off and on. In this case, the amount of light is independent variable and the moth's reaction is dependent variable. It means a change in the independent variable directly affect the dependent variable

How much heat is givne out when 6.0g of water freezes at 0 degrees celcius the heat of fusion of water is 80.0 cal/g?

Answers

The heat of fusion must be approx from 0 to infinity

The electric field between two parallel plates has a magnitude of 875 n/
c. the positive plate is 0.002 m away from the negative plate.

Answers

The answer:
1.8 x 10^0 V

a small dog is trained to jump straight up a distance of 1.2m. How much kinetic energy does the 7.2kg dog need to jump this high? ( the acceleration due to gravity is 9.8m/s2)

Answers

We are told to find the Kinetic Energy required by the dog

Energy = Force * Distance

According to the question,
Distance = 1.2 m
But we are not given any value for the Force

However, we know that,
Force = Mass * Acceleration

According to the question,
Mass = 7.2kg
Acceleration = 9.8 m/s²

Therefore, 
Force = 7.2 * 9.8
Force = 70.56 Newton

Remember, what we are looking for is the Energy
Energy = Force * Distance
Now we know that Force = 70.56 Newton
Distance = 1.2 m

Therefore,
Energy = 70.56 * 1.2
Energy = 84.7 Joules
When the pooch is 1.2m off the ground,
her potential energy is ...

                (m) ·(g) ·(h)

            = (7.2 kg) ·(9.8 m/s² ) ·(1.2 m)

            =         84.7 joules .

If she doesn't leave the ground with AT LEAST that much
kinetic energy, she'll never make it to 1.2 m.

Which light packs the highest energy per photon? 1. infrared 2. red 3. blue 4. ultraviolet 5. green?

Answers

A single photon carries an energy equal to
[tex]E=hf[/tex]
where h is the Planck's constant and f is the frequency of the photon.
This means that the higher the frequency of the light, the higher the energy. Among the 5 different options mentioned by the problem, the light with highest frequency is ultraviolet, which has frequencies in the range [3-30] PHz, while visible light (red, blue, green) and infrared have lower frequency, so ultraviolet light has the highest energy per photon.

What occurs with the doppler effect are changes in _____. view available hint(s) what occurs with the doppler effect are changes in _______. frequency due to motion the speed of sound due to motion both of these answers are correct. neither of these answers is correct?

Answers

Final answer:

The Doppler effect involves changes in frequency due to the relative motion between a wave source and its observer, not changes in the speed of sound.

Explanation:

What occurs with the Doppler effect are changes in frequency due to motion. The Doppler effect is a phenomenon observed with waves, where there is an alteration in the observed frequency of a sound or light due to the relative motion between the source and the observer. It's important to note that the Doppler effect does not involve a change in the speed of sound due to motion, but strictly involves changes in frequency.

The practical applications of the Doppler effect are vast, ranging from medical diagnostics using Doppler-shifted ultrasound to determine blood flow, to astronomy where it helps in the study of the motion of stars and galaxies. Fundamentally, the effect explains how the motion affects the perceived pitch of a sound for an observer; for example, the high pitch of an approaching ambulance siren that lowers as it moves away.

what is the amount of a certain isotope that occurs in a natural sample of an element

Answers

I believe it is the percent abundance. Isotopes are atoms of the same element with similar atomic number but different mass number. Natural abundance is the abundance of isotopes of a chemical element as naturally found on the planet. The relative atomic mass of these isotopes is the atomic weight listed for the element in the periodic table. 

Answer:Relative abundance.

Explanation:

Relative abundance is the percentage of a particular isotope that occur in nature.

HELP WILL MEDAL !!!!!!!!!!!!!!!!!!!

Suppose you are an astronomer, and a child asks you to explain how long it takes light to travel through space. In your own words, answer the child's question. Be sure to mention the speed that light travels in space, and provide a general idea of how long it takes the light from distant stars to reach Earth.

Answers

I think this is the best way to explain it
light from the sun takes 8 minutes and 20 seconds to travel to Earth. So it would be the same if the Earth's light to travel to the sun. The sun is described to be a star.
The speed of light in a vaccum is 182,282 miles per second. Light travels through space over a period of time to reach the earth. When a new star becomes visible it means that a star's light has finnaly reached us. It takes the sun's light an average of 8 minutes and 20 seconds to reach earth. Hope this helps.

If an antenna is much longer than the wavelength, what is the typical result?

Answers

The antenna will not work very well. In fact, an antenna is able to amplify the input signal (the radiowave) when its resonant frequency matches the frequency of the input wave. This condition occurs when the length of the antenna is comparable to the wavelength of the input wave, and then resonance occurs, and the signal is amplified. On the contrary, if the length of the antenna is much larger, then no resonance occurs, and the antenna is not able to amplify the signal.

A racing car is moving around the circular track of radius 300 meters shown above. at the instant when the car's velocity is directed due east, its acceleration is directed due south and has a magnitude of 3 meters per second squared. when viewed from above, the car is moving clockwise at 30 m/s clockwise at 10 m/s counterclockwise at 30 m/s counterclockwise at 10 m/s

Answers

Answer:

the car is moving clockwise at 30 m/s

Explanation:

For an object moving in circular motion:

- The velocity is always tangential to the circle

- The acceleration (centripetal acceleration) is towards the centre of the circle, so perpendicular to the velocity)

In this case, the velocity is directed due east, while the acceleration is directed due south: so the car is "curved towards south while moving", this means that the car is travelling clockwise.

Moreover, the centripetal acceleration is given by:

[tex]a=\frac{v^2}{r}[/tex]

where

a = 3 m/s^2 is the acceleration

v is the speed

r = 300 m is the radius of the track

Solving for v,

[tex]v=\sqrt{ar}=\sqrt{(3 m/s^2)(300 m)}=30 m/s[/tex]

So the answer is

the car is moving clockwise at 30 m/s

Final answer:

In a clockwise circular motion, when a car's velocity is east, its inward or centripetal acceleration is due south. Circular motion rules dictate this because acceleration is towards the centre. However, the car's speed can't be deduced from this data.

Explanation:

The student's question pertains to the concept of circular motion dynamics, which is a topic in physics. The key is understanding that a car moving in circular motion always has an acceleration directed towards the center of the path, also known as centripetal acceleration. The direction of velocity, which is tangential to the path, continually changes due to this inward acceleration.

If we consider a car moving clockwise around a circular track when viewed from above - the east would be on its right and south would be below. In this scenario, when the car's velocity is directed due east, the centripetal acceleration (due to the car's need to change direction to stay on the circular path) will be facing due south.

Regarding the speed of the car, it can be moving either clockwise or counterclockwise at either 10 m/s or 30 m/s. However, this information cannot be determined from the acceleration data as there is no measure of the car's tangential acceleration, which is the acceleration that affects the car's speed.

Learn more about circular motion here:

https://brainly.com/question/2285236

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Ryan is experimenting with core materials for an electromagnet. He slides different core materials through a coil of current-carrying wire. Sort the core materials based on whether they will or won’t increase the strength of Ryan’s electromagnet.

Answers

will increase strength: iron, nickel, steel
won't increase strength: wood, silver, glass

^thats on Plato

which of the folowing is true at the point where you reach the top of your jump on ur trampoline?

a)The mechanical enerygy is zero
b)The potential energy is at a maximum
c)The kinetic enrgy and potential energy
d)The potential energy is zero

Answers

Answer:

b) The potential energy is at a maximum.

Explanation:

It happens because the equation for the potencial energy is a function of the height of the body (Epotential=mgh) and, when you reach the top of your jump, you obviously reach your maximum height.

Final answer:

The potential energy is at its maximum at the top of the jump on a trampoline, with kinetic energy being zero and mechanical energy equating to the potential energy. The correct option is b) The potential energy is at a maximum

Explanation:

The correct answer to the question is that at the top of your jump on a trampoline, the potential energy is at its maximum (b). This is because when you are at the peak of your jump, you have the maximum height above the ground, where the gravitational potential energy is highest when assuming gravitational force is the only significant force in play (air resistance being negligible).

Kinetic energy is zero at this point because you are momentarily stationary at the top of the jump before descending back down. The mechanical energy of the system is not zero, however, as it is the sum of kinetic and potential energy and therefore will equal the potential energy at the top of the jump.

A hammer taps on the end of a 4.9 m long metal bar at room temperature. a microphone at the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. the pulses are separated in time by 10.4 ms. what is the speed of sound in this metal

Answers

The speed of sound in air is
[tex]c_a=343 m/s[/tex]
The pulse moving in air covers a distance of [tex]L=4.9 m[/tex] with this velocity, so the time it takes is
[tex]t_a= \frac{L}{c_a}= \frac{4.9 m}{343 m/s}=0.0143 s [/tex]

The problem says that the second pulse (moving in the metal bar) arrives with a delay of [tex]\delta t = 10.4 ms = 0.0104 s[/tex]. Therefore, the time [tex]t_m[/tex] at which the pulse in the metal arrives at the microphone is
[tex]t_m = t_a + \Delta t=0.0143 s+0.0104 s=0.0247 s[/tex]

The distance covered by this pulse is still [tex]L=4.9 m[/tex], therefore we can find the speed of the pusle in metal (so, the speed of sound in this metal):
[tex]c_m= \frac{L}{t_m}= \frac{4.9 m}{0.0247 s} =198 m/s[/tex]

A kangaroo jumps to a vertical height of 251 cm. how long (in seconds) was the kangaroo in the air?

Answers

1.08 seconds i think. Is there no other option like how many cm they fall per second? That would help a lot.

"LOOKALIKES" You are given two identical-looking metal cylinders and a long rope. The cylinders have the same size and shape and they weigh the same. You are told that one of them is hollow, the other is solid. How would you determine which is which using only the rope and the two cylinders?

Answers

You could wrap the rope around the cylinder. Then you hold on to one end of the rope and let the cylinder go and unwrap. The hollow cylinder will take longer to unwrap compared to the solid one, because of its larger inertia.

One can be able to determine the metal cylinders based on the time taken to unwrap them.

From the information given, there are two identical-looking metal cylinders and a long rope and the cylinders have the same size, shape, and weight.

One can be able to differentiate then by using only the rope and the two cylinders by wrapping the rope around the cylinder. The hollow cylinder will take longer to wrap when compared to the solid one.

Read related link on:

https://brainly.com/question/1865636o

Describe how water may be treated before people use it

Answers

water is treated by purifying it by adding slaked lime or potash alum

They purify the water so that people can use it for things and drinking. They chloride, boil, or use ultraviolet light to kill bacterias that can harm us

Which characteristic accounts for the fact that red lights are used in dark rooms and DO NOT expose negatives during developing? A) small size B) low energy C) high energy D) high velocity

Answers

b) low energy, because red is on the far left of the electromagnetic spectrum.

Answer:

A) Low Energy

Explanation:

Red colour light is light with larger wavelength due to which it can travel large distance. Due to this property of red colour light we use this colour to show different signals so that they are visible from distance

Here we also know by the formula of energy

[tex]E = \frac{hc}{\lambda}[/tex]

here we can see that the wavelength of light and energy of light is inversely depends on each other

So here we can say that red colour light is of larger wavelength and smaller energy due to which it can travel larger distance

so correct answer is

A) Low Energy

Earth is the third planet from the Sun. This placement most affects Earth's unique ____ and ____ conditions.

1. a. temperature
b. differentiation
c. gravity
d. moon

2. a. lithospheric
b. mantle
c. core
d. atmospheric

Answers

1 is  A
2 is  D
I believe this is the answer 

properties such as luster conductivity and flexibility are used to describe what type of elements

Answers

Answer: metals.

Justification:

There are 118  elements which you can find in the periodic table ordered by atomic number. Those elements my be classified into metals, non-metals and metalloids.

The metals are placed on the left side of the periodic table. The metals share the properties of luster, conductivity and flexibility.

The properties of non-metals (which are on the right side of the periodic table) are opposite to those of metals: opaque, low conductivity and brittle.

Metalloids have in between properties.

Copper, for example is a metal: it has luster, is flexible and is highly conductive of the electricity (and temperature).


What is the power of a hair dryer if it uses 72,000 joules energy in 60.0 seconds

Answers

Power=Energy
72,000/60 = 1200 watts 
:)

How do odd-shaped ceilings, decorative panels, draperies, and glass windows affect echo and noise?

Answers

I think they decrease echo and reduce noise, they do this by either absorbing vibrations or by scattering the sound so that echoes arrive at different times rather than reverberating as a standing wave. An echo is a reflection of a sound that arrives at the listener with a delay after the direct sound. The delay is usually proportional to the distance of the reflecting surface from the source and the listener.

Odd-shaped ceilings, decorative panels, draperies, and glass windows reduce echoes and noises.

What is an echo?

An echo is a sound that is caused because of the reflection of sound.

How can echoes be avoided?

In order to avoid echoes, we must avoid creating surfaces where the sound waves can be focused.

Now, as we know the reason why echoes are formed and how can they be avoided, therefore,

Making odd-shaped ceilings and decorative panels reduces the surfaces where the sound waves can be focused. While putting draperies and glass windows will absorb the sounds, As glass absorbs the sound waves and convert the energy into vibration energy.

Hence, odd-shaped ceilings, decorative panels, draperies, and glass windows reduce echoes and noises.

Learn more about Echo:

https://brainly.com/question/9028662

Which are examples of resonance? Check all that apply.
the volume on a stereo being turned up
a note being played on a saxophone
an opera singer breaking
a glass with her voice a person pushing
a swing at the rate it naturally oscillates back and forth
an echo

Answers

Answer: The correct options are:

               A note being played on a saxophone

               An opera singer breaking glass with her voice a person pushing

               A swing at the rate it naturally oscillates back and forth

Explanation:

Resonance is a phenomenon which occurs when the applied frequency on the object is equal to its natural frequency.

When resonance occurs the amplitude of the vibrating object becomes large.

In the given options, the examples of the resonance are as follows:

"an opera singer breaking  a glass with her voice a person pushing": Here, the resonance will occur due to which the glass will break. The applied frequency of the voice of a person on the glass matches with the natural frequency of the glass.

"a note being played on a saxophone": Here, the resonance will occur. The sound energy is produced by saxophone. The air is blown through mouthpiece in it. It causes reed to vibrate rapidly against mouthpiece. Then, air moves through it. Then, the sound is amplified until it escapes through open tone holes.

"swing at the rate it naturally oscillates back and forth": when the applied frequency on the swing matches with the natural frequency of swing. The amplitude of the swing will increase. Here, the resonance will occur.

Answer:

B. a note being played on a saxophone

C. an opera singer breaking a glass with her voice

D. a person pushing a swing at the rate it naturally oscillates back and forth

Edge.2023

Explanation:

<3

Which of the following terms best describes air
A. Element
B. Compound
C. Mixture
D. None of the above

Answers

I think that it is a mixture because air can contain anything.

Final answer:

Air is best described as a homogeneous mixture. This classification indicates that air is composed of various gases such as nitrogen, oxygen, and other trace gases, mixed uniformly. It is neither an element nor a compound.

Explanation:

Air Composition Classification

When assessing the nature of air, the correct classification from the given options would be 'C. Mixture'. To be more specific, air is a homogeneous mixture made up of multiple substances, including primarily nitrogen and oxygen, as well as argon, carbon dioxide, and other trace gases, which are evenly distributed throughout the mixture. Air is not an element, because it consists of more than one kind of atom; it is not a compound, as its composition can vary and is not a single chemical substance with a fixed ratio of elements. Instead, air exemplifies a solution, which is a type of homogeneous mixture.

Examples of Elements, Compounds, and Mixtures

Salt is a compound (NaCl).

Pure water is a compound (H2O).

Soil is a heterogeneous mixture, composed of various organic and inorganic materials.

Salt water is a homogeneous mixture or a solution, where the salt is dissolved evenly in the water.

Pure air is a homogeneous mixture of gases.

Carbon dioxide (CO2) is a compound.

Gold is an element (Au).

Bronze is a metal alloy, a type of homogeneous mixture of copper and other metals like tin or aluminum.

NEED SCIENCE HELP:

Question 1:
which subatomic particle has a negative charge?
all of them
neutron
electron
proton

Question 2:
if an atom has 2 protons, 3 neutrons, and 3 electrons, what is the electrical charge of the atom?
positive
negative
neutral
varies

Question 3:
A neutral atom that gains electrons will have what kind of charge?
positive
negative
neutral
varies

Question 4:
which of the following describes the principle of the conservation of charge?
a charge is created
a charge cannot be transferred
charge cannot be created or destroyed, just transferred
charge can be destroyed

Question 5:
what law states that when there is an interaction between charged objects there is a non-contact force which acts over some distance of seperation?
faraday's law
ohm's law
coulomb's law
interaction law

Question 6:
which of the following describes an insulator?
does not allow electrons to move through it
allows electrons to move through it
is always a solid
is always a gas

Question 7:
what are most conductors made of?
wood
paper
plastic
metal

Question 8:
which of the following describes why lightening rods are put on top of houses?
insulate the house
conduct the lightening away from the house
reduce amount of static discharge
reduce the loudness of thunder

Question 9:
your computer is powered by which of the following?
electrical current
moving protons
overflow of electrons
static electricity

Question 10:
wire is used to attach a battery to a penny and is then used to light a small light bulb. the light bulb is lit due to which of the following?
static electricity
electric current
electron overflow
moving protons

Answers

1) electrons
2) negative
3) negative
4) charge cannot be created or destroyed, just transferred
5)
6) does not allow electrons to move through it
7)plastic
8)conduct the lightning away from the house
9) electrical current


I hope this helps! I know about each of those laws for number 5, however the question didn't give a good description of any of the laws.

Best wishes!

Question 1:

which subatomic particle has a negative charge?

Answer:

Electron

Explanation:

There are three subatomic particles

electron, neutron and proton

out of all electron is negatively charged, proton is positively charged while neutron is a neutral particle

Question 2:

if an atom has 2 protons, 3 neutrons, and 3 electrons, what is the electrical charge of the atom?

Answer:

Negative

Explanation:

As we know that

[tex]Q = (N_p - N_e) e[/tex]

[tex]N_p = 2[/tex]

[tex]N_e = 3[/tex]

[tex]Q = (2- 3)e = -e[/tex]

so it is negatively charged

Question 3:

A neutral atom that gains electrons will have what kind of charge?

Answer:

Negative

Explanation:

Since electron is a negatively charged particle so on gaining an electron it will get negative charge

Question 4:

which of the following describes the principle of the conservation of charge?

Answer:

Charge cannot be created or destroyed, just transferred

Explanation:

charge can transfer from one atom to other atom but we can not create a charge  or we can not destroy a charge

Question 5:

what law states that when there is an interaction between charged objects there is a non-contact force which acts over some distance of seperation?

Answer:

Coulomb's law

Explanation:

Coulombs law gives the force of attraction or repulsion between two charges which is given as

[tex]F = \frac{kq_1q_2}{r^2}[/tex]

Question 6:

which of the following describes an insulator?

Answer:

Does not allow electrons to move through it

Explanation:

in insulators all the charges are bounded and not free to move

Question 7:

what are most conductors made of?

Answer:

Metal

Explanation:

All conductors are source of free electrons in which they can move freely

Question 8:

which of the following describes why lightening rods are put on top of houses?

Answer:

conduct the lightening away from the house

Explanation:

lightening rod gives the path to excess charge to flow towards ground

Question 9:

your computer is powered by which of the following?

Answer:

Electrical current

Explanation:

All electrical device is powered by current source

Question 10:

wire is used to attach a battery to a penny and is then used to light a small light bulb. the light bulb is lit due to which of the following?

Answer:

electric current

Explanation:

electric current gives energy to glow the bulb

A crane is used to swing a 450 kg wrecking ball into a 500 kg wall. The crane takes 5 s to push the ball into the building. The crane provides 2000 N of force. The ball is left moving 10 m/s after the collision. How fast is the wall moving afterwards? *

How does the kinetic energy change in the crane problem?
1. KE increases
2. KE decreases
3. KE stays the same


What type of collision is this?
elasti
inelastic

Answers

This is a momentum problem, so let's find the velocity of the ball initially. It can be given by:
[tex]\vec{F} = m\vec{a}[/tex]
Let's plug in values and solve for a:
[tex]\vec{a} = \frac{2000}{450} = 4.44 m/s^2[/tex]
Now, we can multiply by time to get velocity:
[tex]\vec{v} = \vec{a}t = 4.44(5) = 22.2m/s[/tex]

We have all the information we need, so let's set up an equation to solve for the velocity of the wall after the collision:
[tex]mv_{ib}= mv_{fb} + mv_{w}[/tex]

Solve for velocity of wall finally:
[tex]v_w = \frac{mv_{ib}-mv_{fb}}{m} [/tex]

Plug in all values:
[tex]v_w = \frac{450(22.2)-450(10)}{500} = 10.98 \frac{m}{s} [/tex]

So, the final velocity of the wall will be 10.98 m/s.
The KE in this problem initially was 110889 J (1/2mv^2). After the collision it was 52640.1 so, the KE decreased. 
Since there was no mashing of objects together, this was an elastic collision.

From just the atomic number, what else is known?

a) the chemical number

b) the number of neutrons

c) the atomic mass

d) the number of protons

Answers

D. The number of protons

Answer:the number of protons

which option is an example of a physical property?

A. boiling point

B. pH

C. toxicity

D. rusting ability

Answers

The correct answer would be A. boiling point. And the reason to that is because pH, toxicity, and rusting ability are all examples of chemical properties.

Answer:

boiling point

Explanation:

Physical property doesn't change the composition of the substance. Boiling point only change the matter, not the composition.

I took the test before. I got all the answer correct and got 100% score.

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Learning Properties of Matter Quiz Unit 2 Lesson 11 Grade 8

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To remove a tight fitting lid from a jar, Megan runs the lid under hot water. What happenes to the jar lid when its temperature increases?
(a) The temperature increases, the lid expands
(b) The potential energy decreases, and the lid expands
(c) The potential energy increases, and the lid contracts
(d) The temperature decreases, and the lid contracts

Answers

Well ,the answer is B. Why, because I myself did this experiment in science .So, as a result , the answer is B

Answer:

(a) The temperature increases, the lid expands

Explanation:

Running the lid under hot water will result in the transfer of heat from the water to the lid of the jar.

The heating up of the lid increases its temperature and the average kinetic energy of the molecules of the lid. Hence, the jar lid to expand and becomes easier to open.

The correct option is a.

Wave A has a longer wavelength than wave B, but their amplitudes are the same. Which carries more energy?

Answers

the answer to this question would be B.
the correct answer is B

Which compound is held together by the electrostatic force between two ions?

A. CF4
B. NH3
C. CaBr2
D. CO2

Answers

Ionic bonds are chemical bonds between a positively charged ion and a negatively charged ion. These types of bonds are held together by an electrostatic force. 

The only ionic compound among your choices is Calcium Bromide or CaBr2. So the answer is C.

Answer: Option (C) is the correct answer.

Explanation:

A compound that is formed by transfer of electrons results in the formation of an ionic bond and it is known as an ionic compound.

For example, calcium has 2 valence electrons and bromine has 7 valence electrons. So, in order to complete their octet calcium donates its two valence electrons to two bromine atoms.

Therefore, it results in the formation of an ionic compound [tex]CaBr_{2}[/tex].

In an ionic compound there is partial positive charge on the cation and partial negative charge on the anion.

Whereas a compound formed by sharing of electrons is known as a covalent compound.

For example, [tex]CF_{4}[/tex], [tex]NH_{3}[/tex] and [tex]CO_{2}[/tex] are all covalent compounds.

Thus, we can conclude that [tex]CaBr_{2}[/tex] is the compound that is held together by the electrostatic force between two ions.

Other Questions
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