Question

A motorbike accelerates from 15 m/s to 25 m/s in 15 seconds. How far does the motorbike travel in this time?

Answer 1

Answer:

300m

Explanation:

V= u + at

=>25 = 15 + a*15

=>a*15 = 25 -15

=> a*15 = 10

=> a = 10/15

=> a = 2/3 m/s^2

V^2 - u^2 = 2*a*s

=> 25^2 - 15^2 = 2*(2/3)*s

=> 625 - 225 = (4/3)*s

=> 400 = (4/3)*s

=> s = 300m

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