8.
A truck having mass 5000 kg is moving with 72 km/hr and driver applies the brake and
truck comes into rest with in 2 second then:
(a) What is the retardation of the truck?
[Ans: - 10m/s
(b) How much distance is travelled by the truck at that time?
[Ans: 26
(c) How much force is applied by the brake to stop the truck?
(Ans: 5000
Answers
Answered by
13
Explanation:
mass= 5000kg
initial velocity=72km/hrs
final velocity=0km/hrs
time=2 sec
a)72×1000/3600
=20m/s
20-0/2
-20/2
=-10
MAKE IT AS BRAINLEAST ANSWER YOU GET 3 POINTS
Answered by
0
answer:10m/s²
20m
50000N
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