A 1250 kg car is stopped at a traffic light

Asked by admin @ 07/08/2021 in Physics viewed by 272 People

A 1250 kg car is stopped at a traffic light. A 3550 kg truck moving at 8.33 m/s hits the car from behind. If bumpers lock, how fast will the two vehicles move?

Answered by admin @ 07/08/2021

Answer:

1,250 kg + 3,550 kg = 4,800 kg combined

(1,250 kg)(0 ) + (3,550 kg)(8.33 ) = (4,800 kg)(v)

v = 6.16m/s

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