# Determine the velocity of a child on a bicycle

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A boy is riding a bicycle. Radius of the wheel is .26m and a constant angular velocity of the wheel is .373 rev/sec.

Determine the boys velocity

Determine the linear velocity of a point on the top of the tire

Determine the linear velocity of a point on the bottom of the tire in contact with the ground.

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A boy is riding a bicycle is discussed. Radius of the wheel is .26m and a constant angular velocity of the wheel is .373 rev/sec.

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Please see the attached file.

Perimeter of wheel = 2*pi*r = 2*3.14*.26 = 1.63 (m)

For every sec, the boy can move 1.63*.373 = 0.61 (m)

So the boy's velocity ...

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