Professions Part 1 Answers
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As a person pushes a box across a floor, the energy from the person’s moving arm is transferred to the box, and the box and the floor become warm. During this process, what happens to energy?
A
It is increased.B
It is conserved.C
It is decreased.D
It is created.22
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A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm?
A
It loses energy.B
It becomes less dense.C
It sinks downward.D
Its molecules get closer together.23
Seema knows the mass of a basketball. What other information is needed to find the ball’s potential energy?
A
the volume and height the ball reachesB
the volume and shape of the ballC
acceleration due to gravity and the height the ball reachesD
acceleration due to gravity and the shape of the ball24
Which is occurring when work is being done?
A
Energy is being reverted.B
Energy is being decreased.C
Energy is being increased.D
Energy is being transferred.25
Evan drew a diagram to illustrate radiation.
A
gases mixing with particlesB
liquid moving through a vacuumC
moving particlesD
electromagnetic wavesDid you find these answers helpful?
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