A ball is dropped from a certain height. t₁ is just before it is dropped and t2 is just before it hits the floor. The system is just the ball A ball is dropped from a certain height. t₁ is just before it is dropped and t2 is just before it hits the floor. The system is just the ball and the Earth A wooden block at rest on a rough surface is pushed so that it moves at constant speed. t₁ is at the beginning when it is moving and t2 is at the end when it is still moving. The system is the block, the surface and the Earth. A wooden block at rest on a rough surface is pushed hard enough that it speeds up. t₁ is at the beginning when it has a speed of 0, t2 is when it has reached a certain speed. The system is the block, the surface and the Earth.
A ball is dropped from a certain height. t₁ is just before it is dropped and t2 is just before it hits the floor. The system is just the ball A ball is dropped from a certain height. t₁ is just before it is dropped and t2 is just before it hits the floor. The system is just the ball and the Earth A wooden block at rest on a rough surface is pushed so that it moves at constant speed. t₁ is at the beginning when it is moving and t2 is at the end when it is still moving. The system is the block, the surface and the Earth. A wooden block at rest on a rough surface is pushed hard enough that it speeds up. t₁ is at the beginning when it has a speed of 0, t2 is when it has reached a certain speed. The system is the block, the surface and the Earth.
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Transcribed Image Text:Which of the following situations could be
represented by the energy bar chart below?
K₁
Ugy
Us₁
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I
I
I
I
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K2
U92
Us2 AUint
A ball is dropped from a certain height. t₁ is just
before it is dropped and t2 is just before it hits
the floor. The system is just the ball
A ball is dropped from a certain height. t₁ is just
before it is dropped and t2 is just before it hits
the floor. The system is just the ball and the
Earth
A wooden block at rest on a rough surface is
pushed so that it moves at constant speed. t₁ is
at the beginning when it is moving and t2 is at
the end when it is still moving. The system is the
block, the surface and the Earth.

Transcribed Image Text:O
I
I
I
A ball is dropped from a certain height. t₁ is just
before it is dropped and t2 is just before it hits
the floor. The system is just the ball
A ball is dropped from a certain height. t₁ is just
before it is dropped and t2 is just before it hits
the floor. The system is just the ball and the
Earth
A wooden block at rest on a rough surface is
pushed so that it moves at constant speed. t₁ is
at the beginning when it is moving and t2 is at
the end when it is still moving. The system is the
block, the surface and the Earth.
A wooden block at rest on a rough surface is
pushed hard enough that it speeds up. t₁ is at
the beginning when it has a speed of 0, t2 is
when it has reached a certain speed. The system
is the block, the surface and the Earth.
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