Suppose a treadmill has an average acceleration of 0.0044 m/s2.How much does its speed change after 4.2min? Answer in units of m/s Answer in units of m/s

Expert Answers

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Suppose the treadmill starts from 0 velocity.

Using `v = u+at`

`t = 60*4.2 = 252 seconds`

 

`v = 0+0.0044*252 = 1.1088m/s`

 

So the velocity is 1.1088m/s

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