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22-09-2017
Physics

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The circumference of a bicycle wheel is 2 meters. if it rotates at 1 revolution per second then its linear speed is

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29-09-2017

Given:
Circumference = 2 m
Angular speed, ω = 1 rev/s = 2π radians/s

If the radius is r, then
2πr = 2
r = 1/π m

The linear (tangential) speed is
v = rω
= (1/π m)*(2π rad/s) = 0.5 m/s

Answer: 0.5 m/s

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