Question

A body at rest starts moving with a velocity of 25 m/s when accelerated after 5 sec. Calculate acceleration ​

Answer 1

Answer:

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Explanation:

The formula for velocity is:

v=at

Acceleration multiplied by time.

So:

v=(2m/s^2) (5 s)= 10 ms/s^2= 10m/s

The formula for distance is:

d=1/2 at^2

distance = one half acceleration multiplied by time squared.

d=(1/2) (2) (5)^2= (1) (25)= 25 meters

Answer 2

Answer:

5 m/s^2

Explanation:

As the body starts from rest, u (initial velocity) = 0

v = 25m/s

t = 5s

By substituting these values in the formula v = u + at,

you get, 25 = 5a

Therefore, a = 25/5 = 5m/s^2