Asked by cris
A 3,000 kg truck runs into the rear of a 1,000 kg car that was stationary. The truck and car are locked together after the collision and move with speed 9 m/s. What was thew speed of the truck before the collision?
Answers
Answered by
R_scott
momentum is conserved
3000 s = (3000 + 1000) * 9
3000 s = (3000 + 1000) * 9
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