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kap26 [50]
3 years ago
14

A tub of water is placed in a small room and heat is removed from the room. What will most likely occur if enough heat is remove

d? (A)The water will freeze. (B)The water will evaporate. (C)The water will become a gas. (D)The water will change from gas to solid
Physics
2 answers:
frez [133]3 years ago
8 0

Answer:

A. the water will freeze.

Explanation:

the water is initially liquid because the particles have energy which causes movement which gives off heat. if heat (energy) is removed from the room, the waters energy will radiate outward and dissipate taking the energy away from the water causing it to freeze

NARA [144]3 years ago
6 0

Answer:

(A)The water will freeze.

Explanation:

Heat is the energy that when transferred causes change in temperature. If heat is added to a body by some process the bodies temperature increases and if heat is removed from a body by some process the temperature reduces.

In this case if enough heat is removed from the room the internal movement of the water particles will slow down causing the water to form crystal lattice thus forming ice. So, the water will freeze.

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3 years ago
An observer standing near a window 5 m high observe that an object falling downwards is passing across the window in 0.5 s. Find
Valentin [98]

Answer:

Explanation:

An object in free fall, NOT experiencing parabolic motion, has an equation of

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The height of an object with respect to time in seconds is equal to the pull of gravity times time-squared plus the height from which it was dropped. Normally we use -9.8 for gravity but you said to use 10, so be it.

For us, h(t) is 5 because we are looking for the height of the window when the object is 5 m off the ground at .5 seconds;

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5 = -5(.5)² + h and

5 = -5(.25) + h and

5 = -1.25 + h so

h = 6.25

That's how high the window is above the ground.

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