Questions
A solid body rotates with deceleration about a stationary axis with an angular deceleration ; where k is a constant and is the angular velocity of the body. If the initial angular velocity is , then time taken by the body to come to rest—
detailed solution
Correct option is A
−α = kw−dwdt = kw− ∫ωoodww = kdtω0−12+1−12+1 = kt2ωo = ktt = 2ωoKTalk to our academic expert!
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