We know the mechanical energy Ina system is 30 J, and we know the potential energy is 20J. What is the kinetic energy?

The process by which hot and cold air are transferred in the atmosphere is

A train car with mass m1 = 663 kg is moving to the right with a speed of v1 = 8.8 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 5.3 m/s.

Which of these statements are most likely correct about a weak nuclear force? A. It binds electrons and protons protons B. It binds protons and neutrons C. It is an attractive force D. It is a repulsive force

The area of the eye where there is no version

In a collusion, a 15 kg object moving with a velocity of 3 m/s transfers all of its momentum to a 5 kg object. what would be the velocity of the 5 kg object after the collision

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.

No physical processes have ever been demonstrated which provide a mechanism for the universe to assemble itself. True False

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

Which composition of water moves within a deep-water current?