Inelastic Collisions Video Lessons

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Problem: A car with a mass of 800 kg, moving at +15 m/s, crashes head on with a 1500 kg truck moving at -45.5 m/s in the opposite direction. If the two cars become intertwined, with what velocity does the wreckage move?a. 14.5 m/sb. -24.5 m/sc. - 14.5 m/sd. 24.5 m/s

FREE Expert Solution

From the law of conservation of momentum:

Momentum before collision=Momentum after collision

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Problem Details

A car with a mass of 800 kg, moving at +15 m/s, crashes head on with a 1500 kg truck moving at -45.5 m/s in the opposite direction. If the two cars become intertwined, with what velocity does the wreckage move?

a. 14.5 m/s

b. -24.5 m/s

c. - 14.5 m/s

d. 24.5 m/s

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