A01. A wheel of radius 50cm rotates about a fixed axis. The angular position of

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A01. A wheel of radius 50cm rotates about a fixed axis. The angular position of the wheel is given by = t 3 27t, t 0 . The wheel is a rigid body, which means that any point on the wheel traces out a circle as the wheel rotates. (i) Find the length of the arc through which a point on the circumference of the wheel has moved when a point at a distance of 20cm from the center of the wheel has rotated through an arc of length 10cm. (ii) Find angular velocity of the disc in rad/s at time t = 2 . (iii) If the moment of inertia of the wheel is 10kg.m2 , calculate the torque acting on it at t = +3 seconds

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A01. A wheel of radius 50cm rotates about a fixed axis. The angular position of

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