Question

A car decreases its speed from 80km/hr to 60km/hr in 5s. Find the acceleration of the car.

Answer 1

Answer:

Hope this helps

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Very easy concept

Answer 2

Answer:

$-4m/s_{2}$

Explanation:

Acceleration=change in velocity/time

v2=60

v1=80

t=5

=v2-v1/t

=60-80/5

=-20/5

=$-4m/s_{2}$

Negative sing indicates that it is deceleration ,i.e,

Acceleration in direction opposite of motion

HOPE IT HELPS