19. Calculate the work required to be done to stop a car of mass 1500kg
moving at a velocity of 72km/hr? Also calculate the force acting on
the body if the body take 5sec to get static
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Answer:
Force = m × a
F = 1500 × 20
F = 30000
Work done = F × s
W=30000 × 20
W = 600000
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