SOLUTION: A wheel is rotating at a rate of 2 revolutions per second and has a radius of 0.25 meters as it rolls along a track. How fast is the wheel moving?
possible answears:
0.5 metres
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-> SOLUTION: A wheel is rotating at a rate of 2 revolutions per second and has a radius of 0.25 meters as it rolls along a track. How fast is the wheel moving?
possible answears:
0.5 metres
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Question 814282: A wheel is rotating at a rate of 2 revolutions per second and has a radius of 0.25 meters as it rolls along a track. How fast is the wheel moving?
possible answears:
0.5 metres per second
pi metres per second
1 metre per second
2 seconds per metre
You can put this solution on YOUR website! c = 2 * pi * r
c = 2 * pi * 0.25
c = 2 * pi * (1/4) = pi/2 m
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linear speed = c * angular speed
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pi/2 m/rev * 2 rev/sec = pi m/sec
pi/2 m/rev * 2 rev/sec = 3.1415 m/sec
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