Calculate the amount of force required to cause a stationary object that has a mass of 125g to accelerate at a rate of 2.9 m/s2 (assuming that no other forces are acting on the object). show work

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

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?

Why does lightning travel from clouds to the ground?