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A hamster runs in its wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel? approximately 15.9 inches per second approximately 22.9 inches per second approximately 43.8 inches per second approximately 137.6 inches per second

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 Apr 1, 2020
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The wheel has a radius of 3 inches. 

Its circumference is 2·pi·3  =  6p  or about 18.85 inches

The wheel completes 7.3 revolutions in 6 seconds:

  7.3 revolutions = 7.3 x 18.85 = 137.6 inches

  7.3 revolutions in 6 seconds  =  137.6 inches / 6 seconds  =  22.9  inches per second

 Apr 1, 2020

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