Asked by Anonymous
A car of mass 2000kg is travelling at 84m/h when a force of 500N beings to oppose the motion.Find the required to bring the car to rest.
Answers
Answered by
Henry
Assuming 84mi/h.
Vo=84mi/h * 1600m/mi * 1h/3600s=37.3 m/s.
F = m*a.
a = F/m = -500/2000 = -0.25
V = Vo + at.
t = (V-Vo)/a = (0- 37.3)/-0.25 = 149.2s
Required to bring car to rest.
Vo=84mi/h * 1600m/mi * 1h/3600s=37.3 m/s.
F = m*a.
a = F/m = -500/2000 = -0.25
V = Vo + at.
t = (V-Vo)/a = (0- 37.3)/-0.25 = 149.2s
Required to bring car to rest.
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