What is the momentum of a 3 kg cart moving at 2 m/s?

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Multiple Choice

What is the momentum of a 3 kg cart moving at 2 m/s?

Explanation:
Momentum is the product of an object's mass and its velocity. Multiply 3 kg by 2 m/s to get p = 3 × 2 = 6 kg·m/s. The momentum points in the same direction as the motion, so it carries the same direction as the cart’s velocity. If the velocity changed, momentum would change in proportion (for example, a momentum of 4 kg·m/s would require about 1.33 m/s, and 12 kg·m/s would require 4 m/s). So the momentum is 6 kg·m/s.

Momentum is the product of an object's mass and its velocity. Multiply 3 kg by 2 m/s to get p = 3 × 2 = 6 kg·m/s. The momentum points in the same direction as the motion, so it carries the same direction as the cart’s velocity. If the velocity changed, momentum would change in proportion (for example, a momentum of 4 kg·m/s would require about 1.33 m/s, and 12 kg·m/s would require 4 m/s). So the momentum is 6 kg·m/s.

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