You are working as a forensic physicist, analyzing a collision for the state pol

Question

You are working as a forensic physicist, analyzing a collision for the state police. According to witnesses, a car heading east and a truck heading south collided in an intersection. Photographs taken at the scene show that the car was severely damaged. Which of the following apply to this situation?

a)pcar, x, initial+pcar, x, final=ptruck, x, initial+ptruck, x, final

b)pcar, x, initial+ptruck, x, initial=pcar, x, final+ptruck, x, final

c)pcar, y, initial+ptruck, y, initial=pcar, y, final+ptruck, y, final

d)Ecar, initial+Etruck, initial=Ecar, final+Etruck, final

e)|p|car, initial+|p|truck, initial=|p|car, final+|p|truck, final

Explanation / Answer

According to Energy conservation. Initial energy of the system will be equal to the final energy of the system.

option D is the correct one.

According to momentum conservation option B, C and E are also correct.

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