isabelladeosaran67 isabelladeosaran67

19-10-2021
Physics

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A mini car of mass 750kg has a head on collision with suv of mass 1200kg traveling at 40m/s.Both cars stop dead.How fast was the mini car traveling

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Аноним Аноним

19-10-2021

Answer:

Explanation:

Conservation of momentum

Final momentum is zero

1200(40) + 750v = (1200 + 750)(0)

v = - 1200(40)/750

v = - 64 m/s

The negative sign means the mini car was traveling in the opposite direction of the SUV

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