#9 | Relation btw Angular & Linear Vairables
(Physics) > Systems of Particles and Rotational Motion
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A constant torque of 1000 N-m turns a wheel of moment of inertia 200 kg-m' about an axis through its centre. Its angular velocity after 3 s is (a) 1 rad /s (c) 10 rad /s (b) 5 rad /s (d) 15 rad /s

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A wheel is rotating at 900 rpm about its axis. When power is cut off it comes to rest in 1 min. The angular retardation in rad/s2 is (b) 4 (c) 스 6 8

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A wheel is at rest. Its angular velocity increases uniformly and becomes 80 rad/s after 5 s. The total angular displacement is (a) 800 rad (c) 200 rad (b) 400 rad (d) 100 rad

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Figure shows a small wheel fxed coaxially on a bigger one of double the radius. The system rotates about the common axis. The strings supporing A and B donot slip on the wheels. If x and y be the distances travelled by A and B in the same time' interval, then (A) x = 2y (B) x=y (C) y=2x (D) none of these

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If the equation for the displacement of a particle moving on a circular path is given by θ=2P + 0.5, where θ is in radian and t is in second, then the angular velocity of the particle after 2 s is (a) 8 rad /s (c) 24 rad /s (b) 12 rad /s (d) 36 rad /s

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