Asked by martin

If ball c slid down the hill without friction, how fast would it be traveling the instant it reached the bottom of the hill?

Answers

Answered by drwls
V (at the bottom) = sqrt(2gH)
if h is the height of the hill.

If the ball rolled down, as most balls do, the velocity would be a bit less. But that is another story. Some energy would go into rotational motion.
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