A particle moves along a circular path of fixed radius with speed

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A particle moves along a circular path of fixed radius with speed vv. If its speed is doubled to 2v2v, how does the required centripetal force change? (a) It becomes one-half. (b) It becomes four times. (c) It becomes two times. (d) It becomes one-quarter.

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