A car travels at a constant speed of 20m/s. The driver sees an obstacle on the road and he applies the brake. The car decelerates at the rate of 1.5m/s2. It takes 5 s for the car to come to rest. Find the final speed of the car.
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If you want the answer then calculate in your notebook. This question is very very easy. Try solving yourself.
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1
Answer:
Explanation:
U = 20m/s
a = -1.5 m/s^2
t = 5 sec
V = ?
We know that,
v=u+at
v = 20 +(-1.5) 5
=20 - 7.5
=12.5
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