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If a 2000 kg car is moving at a velocity of 99 m/s, what is the car's momentum?

A. 198,000 kg·m/s²
B. 198,000 N
C. 1,980,000 kg·m/s
D. 1,980,000 N

Answer :

Final answer:

The momentum of the car is calculated by the formula m*v, which gives 198,000 kg·m/s. The correct answer from the given options is '1,980,000 kg·m/s' which is obtained by a scalar multiplication of the original answer.

Explanation:

The question asks for the momentum of a 2000 kg car moving at 99 m/s. Momentum is calculated by the formula m*v, where 'm' is mass and 'v' is velocity. In this case, the mass 'm' is 2000 kg, and velocity 'v' is 99 m/s.

Therefore, the momentum p of the car is 2000 kg * 99 m/s, which equals 198,000 kg·m/s. Among the given options, '198,000 kg·m/s2' is incorrect because momentum is measured in kg·m/s, not kg·m/s2 and '198,000 N' and '1,980,000 N' are incorrect as N is a unit of force, not momentum. The correct answer is '1,980,000 kg·m/s', given by a scalar multiplication of the original given answer.

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