Difference between static and kinetic friction in physics

A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A.

What is the most electrons that a shell can contain?

A car is traveling 20 meters per second and is brought to rest by applying brakes over a period of 4 seconds. What is the average acceleration over this time interval

A man inside an insulated metallic cage does not receive shock when the cage is highly charge. explain.

What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment? The stream of cathode ray particles was moving very slowly. The glass opposite of the negative electrode started to glow.

What is currently the most supported theory about the future of the universe A.) the universe could remain exactly as it is today B.) the universe may continue to expand C.) stars could burn out, causing the universe to become dark and cold D.

A 0.3 mm long invertebrate larva moves through 20oC water at 1.0 mm/s. You are creating an enlarged physical model of this larva so you can better study its flow pattern in the laboratory.

Calculate the speed of an object having momentum 7.25 x 10^5 kg. m/s and mass 0.285 kg. Answer in units of m/s.

What is biomass energy

I spilled water in my socket the one in the plug not a sock the plug