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Read the sentence from Roller Coaster Physics.
Friction eventually causes the energy reservoir built by the lift hill to be entirely spent.
What is the BEST meaning of the word spent as it is used in this text?
A.
consumed
B.
lost
C.
paid out
D.
weary
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Answer :

Answer:

A. Consumed

Explanation:

In this context the friction is causing the energy to get used up. It's not lost because the energy is getting changed into friction. so the best answer is A

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