Batteries should only be removed from the premises by a licensed battery hauler for recycling. A) True B) False

Answers

Answer 1

its true you !!!!!!!!!!!!!!!!!!!!!!1

Answer 2

Answer:

True

Explanation:

Batteries carry acids and electrolytes which if comes in contact with human skin can cause severe effects and sometimes it can become fatal. Therefore a great care is needed while replacing batteries. To avoid any danger and harmful circumstances, batteries should always be replaced by a licenced battery haulers for recycling.

Related Questions

n the picture of a planet in orbit around its star area a is double that of area b. What is true of the time the planet takes to travel A1A2 as compared to B1B2

Answers

We have that the second law of Keppler applies here; they were the most important laws we had in order to start planetary motion for at least a century and they were:
1) the planets move in ellipses (with one focus on the sun)
2) A line joining the sun and the planet traverses equal areas in equal times
3) The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.

Applying the second law, we get that the time to transverse A1A2 is double the time needed to transverse B1B2 (even though B1B2 is longer, because the planet is closer to the sun, it goes faster). The second law simply states that time is proportional to area in such graphs.

a ball is thrown horizontally from the roof of a building 45m tall and lands 24m from the base what is the initial speed?

Answers

To find the initial speed of a ball thrown horizontally from a 45m tall building, we first calculate the time of flight using the vertical motion equation and then determine the initial horizontal speed using the range and time of flight.

Finding the Initial Speed of a Horizontally Thrown Ball

To calculate the initial speed of a ball thrown horizontally from the roof of a building that is 45 meters tall and lands 24 meters from the base, we can use the kinematic equations of motion for projectile motion.

Step 1 - Time of Flight

To find the time it takes for the ball to hit the ground, we use the vertical motion equation:

s = ut + 0.5*at^2

Since the ball is thrown horizontally, the initial vertical velocity (u) is 0 m/s. s is the height of the building (45 m) and a is the acceleration due to gravity (9.8 m/s2).

By substituting the known values, we can solve for t.

Step 2 - initial Horizontal Speed

Now, knowing the time of flight, we can find the initial horizontal speed(vx) using the horizontal motion equation:

Range = vxt

The range is given as 24 m. Therefore, vx = Range / t.

Final Answer

After calculating, we get the initial horizontal speed of the ball, which is necessary to cover the horizontal distance within the derived time of flight.

how does applying force to an object affect its motion

Answers

The force you apply to an object and its motion are directly proportional. The more net force is used against an object, the more it will (or be likely) to move. (this does not factor in friction or resistance which honestly, is just another variable)

PLZ HELP!!!

*best answer gets brainliest*

Answers

Batteries convert chemical energy into electrical energy. It is able to store electrical energy in the form of chemical energy.
Have you ever seen the two different sides of a battery? One side is often labelled with a positive sign, and the other with a negative sign. Inside the battery are four cells where two processes take place. One process uses electrons, and the other creates electrons. When the electrons flow, it creates electricity.
Drums convert mechanical energy into sound energy.
When a musician bangs his/her drumstick on the drum, the motion makes a sound. This movement turned motion into sound.

Need help due tomorrow!

Answers

1) An object with more mass has more gravitational pull.

2) The sun has more gravity than the Earth.

3) The gravitational pull of Earth causes the moon to orbit Earth.

4) The unbalanced force of gravity causes comets, meteors, and asteroids to collide with planets.

5) The force of gravity causes Earth to travel in a sideways path around the sun.

6) a. Most mass = Sun
b. Middle mass = Earth
c. Least mass = Moon

The difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation ____________________ in the regions near and far from the sun during the formation of the solar system.

Answers

Terrestrial rocky planets are mostly made of metals, which need higher temperatures than gases in order to condense.
According to the Solar Nebula theory, temperatures high enough to condense metals were closer to the Sun, while towards the outside of the System, temperatures where lower.
This is the reason why terrestrial rocky planets are closer to the Sun, while gaseous planets are further from the Sun.

Hence, the difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation temperature in the regions near and far from the Sun during the formation of the Solar System.

the difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation TEMPERATURES in the regions near and far from the sun during the formation of the solar system.

a blank is an electric circuit that produces a magnetic field.
whats the blank?

Answers

Answer:

Explanation: A coil is an electric circuit that produces a magnetic field

A 12 volt parallel circuit is drawing 2 amps what is the total amount of power consumed?

Answers

The answer is C. 24 watts
Please mark as Brainliest, thanks.

Makori drew the diagram below to show how a light microscope works.

Which best describes how Makori can correct the error in his diagram?

A) Change the label “Virtual image from objective lens” to “Real image from objective lens.”
B) Switch the locations of the eyepiece lens and the objective lens.
C) Move the light so it is shining downward from the eyepiece lens toward the objective lens.
D) Replace “Convex” with “Concave” on the label for the eyepiece lens.

Answers

Change the label "Virtual image from objective lens" to "Real image from objective lens." so the answer is A

Makori can correct the error in his diagram by changing the label “Virtual image from objective lens” to “Real image from objective lens.”

What are the two types of lenses?Concave lensConvex lens

Which lens is used in light microscope?

Convex lens is used in light microscope.

What is the difference between concave lens and convex lens?A concave lens is thinner in the middle and thicker at the edges. A convex lens is thicker in the middle and thinner at the edges.

What is the objective of convex lens?They focus light for a clear picture.It is used in front of the eye to bend the incoming light.Focal point shortens and the light focuses properly on the retina.

Thus , the real and inverted image is produced by objective lens of light microscope, which goes through convex lens of eyepiece.

Therefore, Makori can correct the error in his diagram by changing the label “Virtual image from objective lens” to “Real image from objective lens.”

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A parent isotope has a half life of 1 million years. If a rock contained 20 mg of the parent isotope when it formed, how much parent isotope would be left after 2 million years?

Answers

about 5mg or 10 hope this help have nice day

What is the abbreviation for the SI unit for electric potential

Answers

The SI unit for electric potential is volts.

A remote control car travels at a uniform speed of 3.5 m and reaches its destination in five minutes. How far did the remote control car travel

Answers

The speed of the remote control carriage is uniform = 3.5m / s.
The elapsed time is 5 minutes.
You can use the formula
speed = distance / time.
Clearing the distance, which is what we want to find, we have:
distance = speed*time.
However, the speed is in units of seconds and the time in units of minutes. To perform the operation we need to have everything in the same units.
So.
5minutes x 60seconds / 1minute = 300 seconds
Finally:
distance = 3.5m / s * 300s = 1050 meters.
The remote control car traveled 1050 meters

If you lift a 250 N weight 3 meters off of the ground, how much work have you done in joules?

Answers

you have done 750 joules of work. force times distance=work. 250x 3=750

After you rub a balloon on your hair it might stick to a wall. Why? Be specific.

Answers

simple on running balloon acquires charge and charge of wall opposite so it so both attracts each other so balloon sticks to wall

as the balloon is rubbed on hair, due to friction, the electron transfer takes place between them and as a result balloon acquire some charge. The balloon when touched with the wall sticks to it because of force of attraction between balloon and wall. the wall must have the charge opposite to what the balloon has on it. we know that unlike charge attract hence the balloon sticks to the wall.

What si the name of the state change water is going through as it boils?

Answers

it evaporates into a vapor

~~~hope this helps~~~
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When a book is resting on a level table and you are not pushing on it , is there a frictional force between the book and table ?

Answers

No because there is no movement to cause friction.

I don’t think so because there is no moving at all which means no friction

a scientist wants to analyze signals from outer space. Her lab has sensors to dect sound waves, radio waves, and seismic waves. Which of these sensors will provide the best information?

Answers

The correct answer is "radio waves".

In fact, sound waves and seismic waves are mechanical waves, which means they are waves which move through a medium, but space is basically vacuum, so there is no medium and they cannot propagate through vacuum. Instead, radio waves are electromagnetic waves, which can also propagate without a medium, so radio waves can also propagate through space.

Final answer:

The most suitable sensor for analyzing signals from outer space is radio wave sensors due to their economical production cost and efficiency in transmitting through interstellar space and atmospheres, thus providing valuable information about the sources of the waves.

Explanation:

In analyzing signals from outer space, the best sensor to use among sound waves, radio waves, and seismic waves would be radio wave sensors. Radio waves are the lowest-frequency and lowest-energy band of the electromagnetic spectrum, making them not only inexpensive to produce but also adept at traveling through interstellar dust, gas, and planetary atmospheres without significant absorption.

This capability is crucial for receiving unimpeded signals from space. The information collected through radio waves can reveal the chemistry and physical conditions of their sources. Moreover, radio waves are already extensively used in various communication systems on Earth. Therefore, in the context of SETI (Search for Extraterrestrial Intelligence) or any other form of cosmic study, radio waves are the most suitable and effective for gathering data from outer space.

the half-life of iodine-131 is 8 days. if a sample originally contains 0.96 g of the isotope, how much will remain after 16 days

Answers

The half-life of a substance is the time the substance takes to decay until the amount of the sample is half of its initial amount.

In this problem, the half-life of iodine-131 is 8 days. This means that after 8 days, only half of the initial sample will be left. After another 8 days (16 days), the sample will be reduced by another factor 1/2, so only 1/4 of the initial sample will be left.

Since the initial sample was 0.96 g, after 16 days the amount of iodine left is
[tex]m= \frac{1}{4}(0.96 g) =0.24 g[/tex]

After 16 days, there will be approximately 0.24 grams of iodine-131 remaining in the sample.

How the half-life of iodine

The half-life of iodine-131 is 8 days, which means that every 8 days, the amount of iodine-131 in a sample will be reduced by half.

After 16 days, which is two half-lives, the amount of iodine-131 remaining can be calculated as follows:

First half-life: 0.96 g / 2 = 0.48 g remaining

Second half-life: 0.48 g / 2 = 0.24 g remaining

Therefore, after 16 days, there will be approximately 0.24 grams of iodine-131 remaining in the sample.

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What metric measure would be best to use when measuring the amount of water given to a plant

Answers

The best metric is a combination of volume, frequency, soil moisture, evapotranspiration rate, and plant growth and health observation.

When measuring the amount of water given to a plant, it's crucial to choose a metric that accurately reflects the plant's needs and ensures optimal growth. The best metric to use for this purpose is:

1. **Volume of Water**: Measure water in milliliters or liters to quantify the actual amount provided to the plant.

2. **Frequency**: Track how often water is given, whether daily, weekly, or based on the plant's specific requirements.

3. **Moisture Content**: Use a soil moisture meter to gauge the water content in the soil around the plant's roots.

4. **Evapotranspiration Rate**: Consider the rate at which water evaporates from the soil and is transpired by the plant. This can help determine the water loss and replenishment needed.

5. **Plant Growth and Health**: Ultimately, the best measure is the plant's response. Monitor its growth, foliage appearance, and overall health to adjust watering practices accordingly.

By combining these metrics, you can ensure the plant receives the appropriate amount of water for optimal growth and health.

what two forces are there when you skydive

Answers

Gravity is pulling you down and friction is slowing you down so you don't plummet to the ground at super high speeds.

1). The force of bravado, machismo, and testosterone, propelling you forward, to DO THIS and impress your woman.

2). The force of reason and self preservation, telling you that this is crazy, and you must NOT jump out of a perfectly good airplane that's not on the ground.

the gravitational force between two objects increase as the mass increases or distance decreases

Answers

The correct answer is: True

Explanation:
According to Newton's Gravitational law:

[tex]F_g = \frac{Gm_1m_2}{r^2} [/tex]

As you can see the gravitational force is directly proportional to the masses of the objects while inversely proportional to the square of distance (r^2) between them.

Hence, yes, your statement is true!

the gravitational force between two objects increase as the mass increases or distance decreases

explain why electromagnetic radiation sometimes act as a wave and sometimes as a stream of particles?

Answers

Einstein said that electromagnetic radiation can behave as a wave and a particle. Light can behave like wavelike properties but can be thought of as a stream of particles. Each stream of particles carries a quantum of energy and Einstein called these particles photons.

In a closed circuit containing one resistor and a battery, if the voltage in the battery increases, the current going through the resistor increases. Why does this occur?

Answers

V= IR is Ohm's Law.

V is voltage in volts
I is current in amps
R is resistance in ohm's

So, if we're trying to solve for I, aka current, then we should rearrange the equation.

V=IR
V/R = I

So, if you divide a larger number (Volts) by the same number (Ohm's), then you must get a larger number.

Ex.
The voltage in the circuit is 20V, the resistance is 5 Ohms.
V/R = I
20/5 =I
4 =I

But now if we increase voltage to 40 and keep resistance the same, we will prove that the current is higher!

V/R =I
40/5= I
8 = I

Therefore, we just proved that the current going through the same resistor will increase, as when we increased our voltage from ,20V to 40V, we got an increased current as well. Hope this helps you!! ((:

In a closed circuit there is a battery and resistor, from ohm's law if the voltage in the battery increases then the current in the resistor will also increase.

What is Ohm's law?

The connection between current, voltage, and resistance is described by Ohm's law. The voltage or potential difference across numerous materials determines how much constant current flows through them. As a result, if the voltage V (measured in volts) across two ends of a wire made of one of these substances is tripled, the current I (measured in amps) also triples, and the ratio V/I stay the same.

The resistance, R, for a specific material is it's V/I ratio and is expressed in ohms. Over extremely wide voltage and current ranges, the resistance of substances for which Ohm's law is applicable remains constant. The mathematical model for Ohm's law is V/I = R.

Therefore, from the formula of ohm's law if the voltage in the circuit will increase then the current will also going to increase with it.

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A wire delivers 12.0 C of charge in 4.0 s.

What is the current in the wire?

Answers

Current, as defined by the number of amps, can be calculated by rearranging the equation C=As, where C is coulombs, A is amps, and s is seconds.

C=As
12=A(4)
A=3

The current of the wire is 3 Amperes.

what determines the path that an object in projectile motion follows

Answers

Direction and magnitude it is also determined by the gravitational acceleration any impacts or interruptions are ignored.

ANSWER:

C) Gravity & Inertia.

Choices

A) gravity only

B) inertia and air resistance

C) gravity and inertia

D) gravity and air resistance

calculate the speed of a sound wave produced from a guitar if it creates 38 compressions each second with 0.57 meter wavelength

Answers

Good job kid that's right

Two footballs (A & B) are thrown with the same amount of force. Football A has a greater mass. Describe the acceleration for each football.

Answers

Newton's second law gives the relationship between force applied to an object, its mass and its acceleration:
[tex]F=ma[/tex]
where F is the force, m the mass and a the acceleration.

A force F is applied to football A, whose mass is [tex]m_A[/tex], and so the acceleration of this football will be given by (re-arranging the previous equation)
[tex]a_A = \frac{F}{m_A} [/tex]

Similarly, the acceleration of football B will be
[tex]a_B= \frac{F}{m_B} [/tex]
where [tex]m_B[/tex] is the mass of football B, and where the force F applied to the two footballs is the same.

Since football A has greater mass than football B, [tex]m_A \ \textgreater \ m_B[/tex], if we compare the two previous formula we see that the acceleration of football B is greater than the acceleration of football A:
[tex]a_B \ \textgreater \ a_A[/tex]
Therefore, if the same force is applied to the two footballs, football B will accelerate more than football A.

How much heat is absorbed by a 66g iron skillet when its temperature rises from 7oC to 20oC?

Answers

The heat absorbed is calculated using the following equation:
Q = mCΔT

Q = heat absorbed
m = mass = 66 g
C = specific heat of iron = 0.449 J/g.°C
ΔT = temperature change = 20 - 7 =13°C

Therefore,
Q = 66*0.449*13 = 385.242 J

Match the adaptations with their benefits.Match the adaptations with their benefits.

the wasp’s stinger
the peacock’s bright plumage
the owl’s large eyes
the bear’s fur

help to search for food
arrowBoth
protection against predators
arrowBoth
attraction to obtain a mate
arrowBoth
maintain homeostasis
arrowBoth

Answers

Wasp stinger protection from predators. Peacocks bright plumage to help obtain mate. Owls large eyes to help search for food. Bears fur to help maintain homeostasis

Answer: the wasp’s stinger - protection against predators

the peacock’s bright plumage - attraction to obtain a mate

the owl’s large eyes - help to search for food

the bear’s fur - maintain homeostasis

Explanation:

An adaptation can be define as any change that occurs in the morphology, physiology and genetic make up of the organism which makes it suitable for survival in it's natural environment even in adverse conditions and reproduce.

The following are the adaptations with their benefits.

the wasp’s stinger - protection against predators

The wasp stinger generally exhibit toxic substance or allergy causing agent which the wasp use when it finds a predator around it.

the peacock’s bright plumage - attraction to obtain a mate

The male peacock exhibit bright and showy feathers which is a phenotypic advantage for attraction of female mates for copulation. This phenomena is called as sexual selection.

the owl’s large eyes - help to search for food

The owl's large eyes allows the night vision. There are many rods and cones present in the eyes of the owl so as to allow better vision in night and allow it to observe and capture prey.

the bear’s fur - maintain homeostasis

The bear's fur are insulating in nature that means it does not allow the entry of external air. Hence, helps in retaining the heat in the body in otherwise cold environment. Therefore, helps in maintaining the homeostasis (the tendency of the body retain it's constant internal environment as compared to changing external environment).

what is the mass of a 4900 N bobsled

Answers

A single kilogram is equivalent to 9.8 newtons, meaning that to find the weight of the bobsled, you would simply divide the weight by 9.8. Doing this we find that the bobsled is 500kg

4900 / 9.8 = 500

Answer:

500 Kg.

Explanation:

The problem is giving us the weight of the object the weight is different from the mass of an object

Weight is the mass of any object multiplied by gravity (the value of gravity is approximately [tex]9.8\frac{m}{s^2}[/tex] ).

The unit of weight are newtons that equals

[tex]N= Kg.\frac{m}{s^2}[/tex]

[tex]W= m.g[/tex]

we cleared the mass of the formula

[tex]W=m.g\\ m=\frac{W}{g} \\ m= \frac{4900N}{9.8 \frac{m}{s^2} }= 500 Kg[/tex]

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