Question

Find the initial velocity of a car. Which stopped in 10 second by applying breakes. The retardation due to breakes in 2.5m/sec2?​

Answer 1

Explanation:

THIS is the most common solution

Answer 2

Answer:

answer is 25m/s

Explanation:

t=10sec

v=0 because breakes are applied so final velocity will be 0

a=-2.5/sec^2

we know that v=u+at

0=u+(-2.5)10

0=u-25

u=25m

so initial velocity is 25m

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