1. A car of mass 500kg is moving
with a speed of 10m/s on a level
road. Calculate the retarding
force required to stop the car in
a distance of 50m?
O 400N
O
-500N
O 500m
O 150N
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Answer:
500N
Explanation:
Centripetal force = 1/2 mv2/r
f = 1/2 500x(10)²/50
f = 500N
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