Practice question
Question
A particle moves in a circular path of radius 2m with a period of 1s. What is its centripetal acceleration?
Explanation
Angular speed ω=2πT=2π1=2πrad/s. As per NCERT Chapter 3, equations v=u+at, s=ut+½at², v²=u²+2as describe uniformly accelerated motion. Applying correct signs and units gives 2 as the result, so option A is correct.
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