Asked by Rodney

A ball starts from rest down a smooth (frictionless) 45 degree inclined plane 10 m above the floor. How fast will it be going when it reaches the floor?
Answered by bobpursley
a solid ball, or hollow?

is it rolling? Without friction, it wont roll.

So I don't know enough to answer you?
Answered by Rodney
just a ball (nothing else is given for this ball) the ball is at rest 10 m above the horizontal on a 45 degree smooth inclined plane. Vi= 0 m/s, height = 10 m, Vf =?
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