a car of mass 1500 kg moving at 50m/s stops after travelling a distance of 200 m retarding uniformly.find the force exerted on it by the brakes and work done by the force
Answers
Answered by
4
Answer:
Force = -15,000N
Work done = -30,00,000J
Explanation:
Mass: 1500Kg
v = 50m/s
s = 200m
F = mg
= 1500 × (-10)
= -15,000N
W= Fs
= -15,000 × 200
= - 30,00,000 J
HOPE THIS HELP YOU
Answered by
8
Answer:
9375 N
Explanation:
a = u²/2s = 50²/400 = 25/4 m/s²
F = ma = 1500×25/4 = 9375 N
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