Two identical sleds slide down two frictionless hills, each starting from rest a

Question

Two identical sleds slide down two frictionless hills, each starting from rest at the top of its own hill. The first sled slides down a hill that is taller but has a gradual slope. The second sled slides down a hill that is shorter but has a steeper slope. Which sled reaches the bottom of its hill with the greatest speed?

a) Their final speeds will be the same.

b) It depends on the actual steepness of the hill, which is not given.

c) The first sled (taller hill but gradual slope).

d) The second sled (shorter hill but steeper slope).

**Thin about the conversion of potential energy to kinetic energy**

Explanation / Answer

c) The first sled (taller hill but gradual slope).

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