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M1ZeN
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Homework Statement
A hollow ball goes down a frictionless ramp. The ball starts at a height of 5 m. The ball has a radius of 4 cm and a mass of 0.5 kg.
(a) What is the final velocity of the ball at the ball at the bottom of the ramp if it just slides down the ramp to a final height of 0 m. (Assume no rolling)
(b) If the work done (by gravity on the ball) was used to rotate the sphere instead, what would the angular velocity of the ball be?
Homework Equations
I have no clue. I went through the section in my textbook that seems to relate to this practice test problem but they none of them seems to be anything I could use.
The Attempt at a Solution
Again, being I can't find any formulas or equations to work with. I don't know where to start with the values given.
Thanks
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