A Runner in a Race Takes 2

question 39

Short Answer

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70-meter mark.
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(a)What is the runner's speed?
(b)How far would the runner go in 8 seconds if this speed is maintained?
(c)How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

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