Which of the following are needed to describe both vectors and scalars? check all that apply. a. direction b. magnitude c. units d. mass

How many times did thomas edison mess up the light bulb

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?