(5)A motorcycle is moving with a velocity of 90km/h and it takes 5 seconds to stop
after the brakes are applied. Calculate the force exerted by the brakes on the
motorcycle if its mass along with the rider is 100kg.
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Answer:
500 N
Explanation:
v = 90 km/h = 90*(5/18) = 25 m/s
F = ma
= 100(25/5)
= 100*5
= 500 N
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