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A 1kg ball is fastened to a string of length 1.5m. It can rotate at an average angular velocity of 10 rad/s.

a) If the ball rotates about 270 degrees, what is the arc length trace out by the ball?

b) Calculate the linear velocity of the ball tangent to the circle it rotates.

c) What is its moment inertia about the axis of rotation?

d) With the velocity obtained in part a, calculate its rotational kinetic energy?

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Category:- Physics
Reference No.:- M91074416

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