Starting from rest a car acquires a velocity of 30km/h in 10 s and then brakes are applied ,it take 20s to stop.Calculate the distance travelled by the car. *
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Answer:
Hope this helps you ?
Explanation:
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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