A) 50 m
B) 60 m
C) 40.8 m
D) 80.16 m
Correct Answer: C
Solution :
Key Idea: Frictional force acting between road and lyres retards the motion of automobile. There is a static friction between tyres and road, so frictional force cause the retardation in velocity of a automobile. Free body diagram of automobile is shown. From Newtons third lawYou need to login to perform this action.
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