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MHT CET Physics question

PhysicsLaws of MotionMHT CET

A car wheel is rotated to uniform angular acceleration about its axis. Initially, its angular velocity is zero. It rotates through an angle in the first 2 s and in the next 2 s, it rotates through an additional angle . The ratio of is

Answer: (C)

Solution

From rest : (t = 2 s) and the angle in 4 s is , so $θ_2 = 8α - 2α

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Question ID VK-039500