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Question 1 of 6
1
of 6
A ball has 50 J of energy in the gravitational store and 20 J in the thermal store. Which of the following could be the amount of energy in each store after the ball has been dropped and rebounded?
Select one answer
40 J in the gravitational store and 10 J in the thermal store.
40 J in the gravitational store and 20 J in the thermal store.
40 J in the gravitational store and 30 J in the thermal store.
The energy in the gravitational store has decreased by 10 J. Energy cannot be destroyed, so it must have been transferred to the thermal store.
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