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When a roller coaster is coasting uphill and losing speed, its kinetic energy _____.
A. increases
B. decreases
C. stays the same

Respuesta :

elleversluis
b. decreases, because the speed/velocity is decreasing, as the kinetic energy is.

Answer:

The kinetic energy should decrease.

Explanation:

If it loses speed, then all the kinetic energy it once had dissipates. Even if it does go up, it's not gaining any speed.

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