Answered

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(Hurry please) A student drops a rubber ball onto a surface. Assume that
this is a closed system. The ball bounces, but each
successive bounce is shorter than the one before it.
Eventually, the ball comes to a stop.
Which statement provides evidence that supports the idea that energy is
conserved in this closed system?
A. The ball bounces many times, suggesting the energy is used up
efficiently
O B. The ball makes a sound with each bounce, suggesting that some
kinetic energy transformed into sound.
O C. The ball needs a push or pull to start moving, suggesting it needs
a constant input of energy.
OD. The ball moves through air, suggesting that the ball has
mechanical energy

Sagot :

Mrod01idn

Answer:

I think it's Answer A. Because the ball eventually came to a stop, infering that the energy was used up. Hope this helped! :)

Answer:

B. The ball makes a sound with each bounce, suggesting that some

kinetic energy transformed into sound.

Explanation:

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