A 2,000 kg truck moving at 10 m/s strikes a car waiting at a traffic l – McqOptions

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1.	A 2,000 kg truck moving at 10 m/s strikes a car waiting at a traffic light. After the collision, the two move together at 8 m/s. The mass of the car is _____ if total energy before and after collision remain conserved.
A.	250 kg
B.	500 kg
C.	750 kg
D.	1,000 kg
Answer» C. 750 kg

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