# physics

A lawn tractor tire turns at 65rpm and has a radius of 13cm. What is the linear speed of the tractor in m/s?

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1. angular velocity = omega = 65 revs/min * 2 pi radians/rev * 1 min/60 s = 6.81 radians/second
R = 13 cm * 1 m/100 cm = 0.13 m
omega R = 6.81*.13 = .885 m/s

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posted by Damon
2. Thank you

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posted by Charles

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