What is the momentum of a 1200 kg car traveling with a speed of 27 m/s (60 mph)?

How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above the surface of the moon (i.e., x = 6r)?

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?