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Consider a cargo truck with a mass of 12,000 kg travelling at a velocity of 30 m/s and a small car with a mass of 2000 kg travelling the same velocity. If the two vehicles suddenly lose their breaks and crash against the wall, which do you think would be more damaging? Compute the problems

Sagot :

The answer can be derived by determining the momentum of the vehicles. The larger the momentum, the more force is required to stop the vehicle consequently causing more damage to the wall.

Momentum is calculated by multiplying mass by velocity (mass x velocity).

The cargo truck has a momentum calculated as 12,000 kg x 30 m/s = 360,000 kg.m/s

The small car has a momentum calculated as 2,000 kg x 30 m/s = 60,000 kg.m/s

Comparing the momentums of both vehicles, the cargo truck has a higher momentum. Therefore, it will be more damaging once the cargo truck hits the wall.

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