When you put a ice cube in a warm drink and the ice cube thermal energy decreases and the drink thermal energy increases, how does the energy move? What is the situation when the ice cube would give off the heat?

Answers

Answer 1

Thermal energy always flows spontaneously from the body that is at a higher temperature to the body that has a lower temperature.
In this case, the thermal energy flows from the hot beverage that is at the temperature t1 to the ice cube at the temperature t2 until the two reach the same temperature t3.
Where:
t1> t2 <t3.
The ice cube would emit heat if the temperature of the liquid with which it comes in contact with the smaller than that of the ice.

Related Questions

A small bug is spinning in a circle. The bug is spinning 12 times a second. What is the angular velocity of the bug?

Answers

The frequency of the bug is given by the number of revolutions completed per second:
[tex]f= \frac{N}{t}= \frac{12 rev}{1 s}=12 s^{-1} = 12 Hz [/tex]

The angular velocity is related to the frequency by the following relationship:
[tex]\omega=2 \pi f[/tex]
And using f=12 Hz, we can find the angular velocity of the bug:
[tex]\omega = 2 \pi (12 Hz)=75.36 rad/s[/tex]

What is the kinetic energy of a 1500 kg object moving at a velocity of 10 m/s?

Answers

The Kinetic Energy Formula is as follows: KE = mass x velocity^2 /2

Plug in the correct numbers into the variables!

KE = 1500 kg x 10 m/s ^2 / 2

Square the 10 m/s!

KE = 1500 kg x 100 m/s / 2

Multiply!

KE = 150,000 / 2

Divide!

KE = 75,000 Newton-meters or Joules!

Final answer:

The kinetic energy of a 1500 kg object moving at a velocity of 10 m/s is 75000 Joules.

Explanation:

The kinetic energy of an object can be calculated using the formula KE = 1/2 * mass * velocity^2. Plugging in the given values for the mass (1500 kg) and velocity (10 m/s):

KE = 1/2 * 1500 * (10)^2

Simplifying the equation:

KE = 1/2 * 1500 * 100

KE = 75000 J

Therefore, the kinetic energy of the object is 75000 Joules.

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Put these components of wind energy production in order from first to last. The wind spins turbines. A wind of at least 15 mph is blowing. The spinning of the turbines is used to create electricity.

Answers

The correct order for the process is:

1) A wind of at least 15 mph is blowing.
2) The wind spins turbines.
3) The spinning of the turbines is used to create electricity.

The first condition is that there should be some wind blowing from somewhere. This wind blows and it spins the turbines, and then this rotation of the turbines (mechanical energy) is converted into electricity (electrical energy).

PLEASE HURRY WILL MARK BRAINLIEST IF CORRECT
What is the nuclear binding energy of an atom that has a mass defect of 1.643 10–28 kg? Use E = mc2. (Remember: The speed of light is approximately 3.00 108 m/s.) 1.83 10–46 J 4.93 10–20 J 1.48 10–11 J 5.48 1045 J

Answers

Answer:

Explanation:

edge

The nuclear binding energy of an atom that has a mass defect of 1.643×10⁻²⁸ kg is 4.93 10⁻²⁰ J . Hence option B is correct.

What is Binding Energy ?

The binding energy is the amount of energy necessary to detach a particle from a particle system or to scatter all of the system's particles. Subatomic particles in atomic nuclei, electrons bound to nuclei in atoms, and atoms and ions linked together in crystals are all examples of binding energy.

Nuclear binding energy is the energy necessary to entirely split an atomic nucleus into its component protons and neutrons, or the energy freed by merging individual protons and neutrons into a single nucleus. The hydrogen-2 nucleus, which consists of one proton and one neutron, may be entirely separated by delivering 2.23 million electron volts (MeV) of energy. In contrast, when a neutron and a proton move slowly, When a slowly moving neutron and proton unite to produce a hydrogen-2 nucleus, 2.23 MeV of gamma radiation is released. The total mass of the bound particles is smaller than the sum of the masses of the component particles by an amount equal to the binding energy (as represented in Einstein's mass-energy equation).

In this problem,

The mass defect is Δm = 1.643×10⁻²⁸ kg

Speed of light c = 3×10⁸ m/s

Nuclear binding energy,

B.E. = Δmc²

B.E. = 1.643×10⁻²⁸ kg × 3×10⁸ m/s

B.E. = 4.929×10⁻²⁰ ≅ 4.93 10⁻²⁰ J

Hence option B is correct.

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Refraction occurs when light crosses the boundary between one material and another material. what is the primary cause for this refracting of light upon crossing a boundary?

Answers

The answer is Change in speed, Refraction occurs at the boundary and is caused by a change in the speed of the light wave upon crossing the boundary.

Explain how to determine the wavelength of a wave.

Answers

I don’t know if this is helpful, but I found this

An electrochemical cell is made up of two half cells connected by an external conductor and a salt bridge. the function of the salt bridge is to

Answers

In the electrochemical cell, electron flow from anode to cathode. for the process to continue there must be some mean to keep the charge in balance. the salt bridge maintains the neutrality of solution.the salt bridge does not let the electrons move from the electrolyte. it makes the circuit complete and hence allows the flow of current. some of the examples of salt bridge are KCL, KNO₃ etc.

A speaker draws 2 amps of current when it is connected to a 16 volt source. What is the resistance of the speaker?

32 ohms

32 amps

8 amps

8 ohms

Answers

Resistance = Voltage / Current
Resistance = 16 / 2
Resistance = 8

Answer : 8 ohms

(it wouldn't be 8 amps because the question is asking for the resistance, and resistance is measured in ohms)

The resistance of the speaker is calculated using Ohm's law and the provided values of 16 volts and 2 amps, resulting in a resistance of 8 ohms. The correct answer is d) 8 ohms.

The resistance of the speaker can be found using Ohm's law, which states that voltage (V) is equal to the current (I) times the resistance (R), or V = IR.

Since we know that the speaker draws 2 amps of current and is connected to a 16-volt source, we can rearrange Ohm's law to solve for resistance (R) as follows: R = V / I. By plugging in the given values we have R = 16 V / 2 A, which equals 8 ohms. Therefore, the resistance of the speaker is 8 ohms.

Jody has a mass of 50 kilograms what is his weight on earth

Answers

Final answer:

Jody's weight on Earth is calculated by multiplying his mass (50 kg) by Earth's standard gravity (9.81 m/s^2), which equals 490.5 newtons.

Explanation:

When calculating the weight of an object on Earth, we need to account for the force of gravity acting upon the object's mass. The standard acceleration due to gravity on Earth is approximately 9.81 meters per second squared (m/s2). To find Jody's weight, we multiply his mass by the acceleration due to gravity:

Weight = Mass times Earth's gravity

Weight = 50 kg times 9.81 m/s2

Weight = 490.5 N (newtons)

Therefore, on Earth, Jody weighs 490.5 newtons.

In Linnean taxonomy, the most unique level is _____.

species
genus
kingdom
breed

Answers

The answer is species, I hope this helps!

the correct answer is A I'm doing the quiz too

Electricity caused by the build-up of a charge on an object is called__________

Answers

it's called static electricity

wo objects attract each other with a gravitational force of 50 newtons from a given distance. If the distance between the two objects is increased by 5 times, what will be the changed force of attraction between them?
2 newtons
10 newtons
125 newtons
625 newton

Answers

Gravitational force is expressed using the equation F = G(m1)(m2)/(r^2), so increasing the distance between 2 objects by a factor of 5 would cause the force to decrease by a factor of 25, since the equation shows an inverse square relationship between F & r. Therefore, the answer would be 50/25 = 2 N.

Which of these is true about a magnetic field?
It has the same magnitude at every point.
It points in the same direction as it would make a compass point.
It has a magnitude at each point but no specific direction.
It has the same direction at every point.

Answers

The answer is It points in the same direction as it would make a compass point. In a magnetic field, the direction of the magnetic field at any location is described as the direction in which the north pole of a compass needle points at that location.

A 90-g aluminum calorimeter contains 390 g of water at a temperature of 20C. Then a 160 g piece of metal, initially at 305C is added to the calorimeter. The metal, water, and calorimeter reach an equilibrium temperature of 32 C. What is the specific heat capacity of the metal? The specific heat capacity of aluminum is 910 J/kg ∙ K, and of water is 4190J/kg*K.

430 J/kg · K

470 J/kg · K

350 J/kg · K

310 J/kg · K

Answers

Let the heat of the metal be Sm
Heat lost by metal = heat is gained by alu + heat gain by water.
Sw × 0.160 × (305-32) = 0.090 × (32 -20) ×
910 + 0.390 × ( 32-20) × 4186
sw = 470 J/kg ×k
the specific heat for metal is 470J/kg×k

Answer:

470 J/Kg.K

Explanation:

Let c be the specific heat capacity of metal.

According to the principle of caloriemetry

Heat lost by the hot body = Heat gained by the cold body

Heat lost by the aluminium = Heat gained by metal + calorimeter

mass of Aluminium x specific heat of Aluminium x rise in temperature + mass of water x specific heat of water x rise in temperature = mass of metal x specific heat of metal x fall in temperature

0.09 x 910 x (32 - 20) + 0.390 x 4190 x (32 - 20) = 0.16 x c x (305 - 32)

982.8 + 19609.2 = 43.68 c

c = 471.4 J/Kg.K

c = 470 J/Kg.K (nearly)

i am a titan condemned by Zeus to support the heavens upon his shoulders;son of Iapetus and the nymph clymene; brother of Prometheus and Epimethius. Who am i?

Answers

The answer is Atlas. Atlas was a titan condemned by zeus to support the heavens upon his shoulders. He was the son of Iapetus and the nymph Clymene. He was also the brother of Prometheus and Epimetheus. He was condemned by Zeus to stand at the western edge of Gaia (the Earth) and hold up the sky on his shoulders. This is because Atlas led the war against Zeus and after their defeat, this was his punishment.

PLZZZZZZZZZZ HELP QUICK!!!!!!!!!!!!
DONT ANSWER IF YOU DONT KNOW!!!
Calculate the diameter of the fifteenth orbit of the hydrogen atom if the diameter of the innermost orbit is 1.06 A. (Hint: Keep three significant figures in your answer.)

Answers

In an atom of hydrogen the orbit radius is given by the formula:
r = n² · α₀

where:
n = number of orbit = 15
α₀ = Bohr radius (innermost radius) = 0.529 Â

Since d = 2 · r, we can write:
d = n² · d₀
= 15² · 1.06
= 238.5 Â

Hence, the diameter of the fifteenth orbit of the hydrogen atom is 238.5 Â.

What gas is released when you burn coal with high amounts of sulfur in it?

Answers

sulphurdioxide i think.since if we burn somethings carbon will came out but this time you said there is a lot of sulphur.so maybe sulphurdioxide

The inventor of a new machine claims that its actual mechanical advantage is 4. Literature on the machine reports its input distance is 81 meters and its output distance is 27 meters. Find the machine's ideal mechanical advantage, and determine whether the developer's claim could be true.

Answers

Final answer:

The ideal mechanical advantage (IMA) of the machine is 3. The developer's claim of an actual mechanical advantage (AMA) of 4 is higher than the calculated IMA, suggesting that some energy is lost to friction. Therefore, the claim is not true.

Explanation:

The ideal mechanical advantage (IMA) of a machine is calculated by dividing the input distance by the output distance. In this case, the input distance is 81 meters and the output distance is 27 meters. Therefore, the IMA of the machine is 81/27 = 3.

The developer's claim of an actual mechanical advantage (AMA) of 4 is higher than the calculated IMA of 3. This suggests that some energy is lost to friction in the machine, reducing its efficiency and resulting in a lower AMA. Therefore, based on the calculated IMA, the developer's claim could not be true.

Give one example when it might be important to know how much gravitational potential energy is stored by an object. Why is it important?

Answers

Answer:

I know this is super late but I have the answer and the screenshot

One example could be when an airplane is flying in the air the higher it is the more gravitational pull there is and if the engines are not working the airplane will come down at a faster speed. It is important to know this because this could cause lots of danger to people and everyone on the plane.

Explanation:

And there you go have a great day!

don't forget to reword this because then that would be plagiarism so goodluck!

Answer:

Bowling ball on a shelf.

Explanation:

Let's say you won a bowling competition and wanted to display the ball on top of a book case. After trying for a while, you finally get it to stay in place without rolling. You may think it'll stay, but that ball still has potential energy, meaning it could fall off and hurt someone.

Certain underwater vehicles are capable of exploring some of the deepest regions of the ocean. consider the density of seawater to be 1025 kg/m3. if such a vehicle were submerged to a depth of 8513 m below the surface, what force would be exerted on the vehicle's observation window (radius = 9.3 cm)?

Answers

The pressure exerted by the water at a depth of h=8513 m below the surface is given by Stevin's law:
[tex]p=p_a + \rho g h[/tex]
where
[tex]p_a =1.013\cdot 10^5 Pa[/tex] is the atmospheric pressure
[tex]\rho=1025 kg/m^3[/tex] is the water density
[tex]g=9.81 m/s^2[/tex] is the gravitational acceleration
[tex]h=8513 m[/tex] is the depth

If we plug the numbers into the formula, we find the pressure exerted on the window of the vehicle:
[tex]p=1.013 \cdot 10^5 Pa + (1025 kg/m^3)(9.81 m/s^2)(8513 m)=8.57 \cdot 10^7 Pa[/tex]

The area of the window is
[tex]A=\pi r^2 = \pi (0.093 m)^2 = 0.027 m^2[/tex]

And so the force exerted on the window is
[tex]F=pA=(8.57 \cdot 10^7 Pa)(0.027 m^2)=2.31 \cdot 10^6 N[/tex]

A flock of geese is flying south for the winter. In order to maintain a “V” shape, each goose is flying at the same constant velocity. Which goose will have the most momentum?

A) the goose with the least mass

B) the goose with the most mass

C) the goose that is behind all the others

D) the goose at the front of the "V" leading the way of the other geese

Answers

B the goose with most mass
this is because momentum=mass x acceleration
so a larger mass will give a larger momentum ( acceleration stays constant)

Which company has experienced censorship in China?

Answers

Japan most of the time

The answer to this is Google
For plato, hope this helps

Scientists can calculate the distance from the seismograph station to the focus using
a. the difference in arrival times of P and surface waves.
b. the difference in arrival times of P and S waves.
c. the difference in arrival times of S and surface waves.
d. None of the above.

Answers

Scientists can calculate the distance from the seismograph station to the focus using b. the difference in arrival times of P and S waves.

Three asteroids have exactly the same amount of mass. The distance from asteroid A to asteroid B is 300 km, the distance from asteroid B to C is 400 km, and the distance from C to A is 100 km. Between which two asteroids would the gravitational force be the largest?

A). Between asteroid A and B.
B). Between asteroid B and C.
C). Between asteroid C and A.
D). The gravitational force between each pair of asteroids would be the same.

Answers

Gravitational force is given by the following formula:

F = GMm/r^2
Where;
F = Gravitational force, G = Gravitational constant, M & m = masses of two bodies which are constant in this case, and r = distance between the masses.

It can be seen that F α 1/r^2.
Therefore, the far the two masses are from each other, the smaller the gravitational force and vice versa.
It is indicated that:
AB = 300 km
BC = 400 km
CA = 100 km

Therefore,
gravitational force will largest between C and A due to smaller distance between them.

Can the waves crashing against the beach begin without any initiating event

Answers

No because something has initiate it whether it is the moon or a meteor

If Star A and Star B have the same absolute magnitude, but Star A is brighter, what does that tell us?

Answers

We can conclude that star A is closer to us than star B.

In fact, the absolute magnitude gives a measure of the brightness of the star, if all the stars are placed at the same distance from Earth. So, it's a measure of the absolute luminosity of the star, indipendently from its distance from us: since the two stars have same absolute magnitude, it means that if they were at same distance from Earth, they would appear with same luminosity. Instead, we see star A brighter than star B, and the only explanation is that star A is closer to Earth than star B (the closer the star A, the brigther it is)

During a collision between a photon and an electron, there is conservation of

Answers

The collision between a photon or a bundle of energy and an electron is known as the Compton Effect in which there is a transference of energy and momentum by the photon to the recoiling electron. It must be noted that both energy and momentum are being conserved during this elastic collision. After such phenomena, the photon acquires energy (represented by hf/) and the electron also has acquired a kinetic energy (represented by K).

the overall charge of the nucleus is _____
a. positive
b. negative
c. neutral

Answers

The overall charge of the nucleus is POSITIVE. This is because the nucleus of an atom is made up of protons and neutrons. Protons are positively charged particles while neutrons are neutrally charged particles which means it has no charge and cannot effect the protons electric charge in any way. Therefore, since the only effective charge is positive, we can conclude that the nucleus is also positive.

Let me know if you need anything else. :)

~ Dotz

Taking into account the constitution of an atom, the correct answer is option a. the charge of the nucleus of the atom is positive.

Constitution of an atom

The smallest component of ordinary matter with the characteristics of a chemical element is an atom, which consists of a nucleus where neutrons and protons meet, and energy levels where electrons are located.

In other words, The protons and neutrons that constitute the atomic nucleus are located in the nucleus of the atom, while the orbitals, or peripheral region, is where the electrons are located.

The neutron is an electrically neutral subatomic particle, while the proton has a positive electrical charge. Electrons have a negative charge, and are attracted to protons through electromagnetic force.

Overall charge of nucleus of an atom

In summary, since in the center of the atom there are protons with a positive charge and neutrons with a neutral charge, the charge of the nucleus of the atom is positive.

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30 POINTS!

The slope of the Position versus Time Graph represents the object's

A) acceleration

B) displacement

C) position

D) velocity

Answers

Answer:

Explanation:

VELOCITY!

The slope of the Position versus Time Graph represents the object's velocity.

Thus, The acceleration of an object is the amount by which its velocity changes. Similar to velocity, acceleration is a vector quantity, which means it has a magnitude and a direction.

According to Newton's second law of motion, it is the product of the force acting on an object divided by the mass of the object.

The speed and direction of an object's motion are measured by its velocity. In kinematics, the area of classical mechanics that deals with the motion of bodies, velocity is a fundamental idea.

Thus, The slope of the Position versus Time Graph represents the object's velocity.

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When light from the Sun strikes the surface of the Earth, this light is absorbed by the ground. The ground, in turn, emits infrared light—which is actually invisible to human eyes—back into the air. What is the effect of this infrared light being released into the air from the ground? A. It makes the air brighter. B. It warms the air. C. It harms the ozone layer. D. It makes the air appear blue.

Answers

B it warms the air in the atmosphere thus creating the greenhouse effect, or global warming.

The correct answer is B. It warms the air

I have concluded to this answer because all the others make no sense. You can outlaw A. and D. because the air is clear and does not have color. And Infrared light does not affect the ozone from my knowledge.

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