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Which train would have the greatest momentum?

A. A 9500 kg train car moving at 200 mph
B. An 8000 kg train car moving at 215 mph
C. A 9300 kg train car moving at 190 mph
D. An 8600 kg train car moving at 195 mph

Answer :

Final answer:

To determine the train with the greatest momentum, calculate the momentum using the formula mass x velocity for each train car. Train car A has the greatest momentum with 1,900,000 kg·mph.

Explanation:

In order to determine which train has the greatest momentum, we need to calculate the momentum of each train car using the formula: momentum = mass x velocity.

Train car A has a mass of 9500 kg and a velocity of 200 mph, so its momentum is 1,900,000 kg·mph.

Train car B has a mass of 8000 kg and a velocity of 215 mph, so its momentum is 1,720,000 kg·mph.

Train car C has a mass of 9300 kg and a velocity of 190 mph, so its momentum is 1,767,000 kg·mph.

Train car D has a mass of 8600 kg and a velocity of 195 mph, so its momentum is 1,677,000 kg·mph.

Therefore, train car A has the greatest momentum with 1,900,000 kg·mph.

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