Questions
The angular displacement of a particle is given by where t is time in seconds. Its angular acceleration at t = 2s is
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Correct option is C
ω=dθdt; α=dωdt here θ=t3+2t+1 ω=3t2+2 α=6tSimilar Questions
When the angular velocity of a uniformly rotating body has increased thrice, the resultant of forces applied to it increases by 60 N. Find the accelerations of the body in the two cases. The mass of the body m = 3 kg.
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