The motor of an engine is rotating about its axis with an angular velocity of
. It comes to rest in 15 s after being switched off, assuming constant angular deceleration. What is the number of revolutions made by it before coming to rest?
Text Solution
Verified by ExpertsThe correct answer is:
A
From equation of motion (angular),
Now, angle rotated before coming to rest is given by
Number of revolutions 
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