Find which rate of rotation gives the greater speed for ball

Reference no: EM13532578

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.24 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s.

(a) Which rate of rotation gives the greater speed for the ball?

6.04

8.24

(b) What is the centripetal acceleration of the ball at 8.24 rev/s?

m/s2

Reference no: EM13532578

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