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August 20, 2014

Homework Help: physics

Posted by bill on Thursday, December 18, 2008 at 5:41pm.

HI. Can someone please help me with this question.

Two identical cars hit each other and lock bumpers. In each of the following cases, what are the speeds of the cars immediately after coupling bumpers? (a) A car moving with a speed of 90 km/h approaches a stationary car; (b) two cars approach each other with speeds of 90 km/h and 120 km/h, respectively; (c) two cars travel in the same direction with speeds of 90 km/h and 120 km/h, respectively.

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