Calculate the momentum when a 10-kg object move with a speed of 5 m/s.

A rod made from insulating material carries a net charge, while a copper sphere is neutral. The rod and the sphere do not touch. Is it possible for the rod and the sphere to (a) attract one another and (b) repel one another? Explain.

A solid metal ball is thrown directly downward, with an initial speed of 8.55 m/s, from the top of a structure at a height of 30.6 m. How much time (in s) does it take before striking the ground?

How many times does lightning strike the empire state building

Physics Preston tossed a red ball upward and it reaches a maximum height of 3.0m What is the final velocity when it returns to Preston's hand?

3. A hunter shoots a 2 kg arrow accelerating it at 15m/s2. How much force does this require?

Can rocks be weathered by wind and chemicals in the air

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.

What's a scientific inquiry

Calculate work If force of 50 Newton's and distance is 6 meters.

What heats up hot chocolate faster? milk or water?