9) A 12 kg object moves at a speed of 6 m/s. How much momentum does it have?

72 kg.m/s

Explanation:

momentum = product of mass and velocity

momentum= m x v

momentum= 12 x 6

momentum = 72 kg.m/s

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newton's first law of motion

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )