A 2.20kg object which is 1.20m in diameter is rolling to the right without slipping on a horizontal floor at a steady 3rad/sec. Then How fast its center is moving?

1 Answer
qin
Apr 27, 2017

1.80 m/s to the right

Explanation:

How fast the centre is moving is equal to the rate of ground covered by the surface in contact with respect to time.
To find out this rate, we can just find the tangential velocity at the point of contact with the ground.

#v=romega=(0.60)(3)=1.80m/s#

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