Question: A hill has a height h. A child on a sled (total mass m) slides down starting from rest at the top. Does the speed

A hill has a height h. A child on a sled (total mass m) slides down starting from rest at the top. Does the speed at the bottom depend on the angle of the hill if

(a) It is icy and there is no friction.

(b) There is friction (deep snow)?

Explain your answers.

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a The speed at the bottom of the hill does not depend on the angle of the hill if there is no fricti... View full answer

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