Question

A 1 metre radius ring spins around its axis at 10 revolutions per second. It is now dropped to
the ground, where it rolls steadily in a straight line. Assuming it does not lose any energy to
friction, what is its final speed?
1.5 m/sec
b. 2.5 m/sec
c. 3.5 m/sec
d. 4.5 m/sec
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Answer 1

Answer:

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