A car travelling with velocity 72 km/hr comes to rest in time 5sec.Find the acceleration acquired by the body.
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1
Answer:
2ms
−2
v=72 km/h=
3600
72×1000
=20 m/s
Acceleration a=
t
v−u
=
10s
(20−0) ms
−1
=2 ms
−2
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