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Physics8. Centripetal Forces & GravitationCentripetal Forces

Multiple Choice

A small 4kg block is tied to the end of 3m string and slides around in a circle on a frictionless table. Suppose the string will break if the tension exceeds 50N. Find the maximum speed the block can have without breaking the string.

A

37.5 m/s

B

6.1 m/s

C

8.7 m/s

D

2.8 m/s

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