Physical Science

A 1000-kg car moving at 80 km/h collides head on with a 100-kg car moving west at 40km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?

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  1. Use conservation of momentum:

    1000*80-100*40=1110(V)

    solve for V. postive means East.

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    bobpursley
  2. 3.6 m/s^2

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