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The angular velocity of a stone being rotated is 11 rad/s. What is the angular displacement covered in 0.5s?(a) 5.5 rad(b) 0.55 rad(c) 55 rad(d) 0.5 radThe question was posed to me in my homework.Question is taken from Uniform Circular Motion in chapter Motion in a Plane of Physics – Class 11

Answer» RIGHT answer is (a) 5.5 rad

To elaborate: Angular velocity is the RATE of change of angular DISPLACEMENT. Here the angular velocity is 11 rad/s. This implies that in one second the stone rotates by an ANGLE of 11 rad. Hence in 0.5 s it will cover an angular displacement if 5.5 rad.


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