A squirrel (mass 0.9 kg) is running across the road at a speed 4.0 m/s. What is the

squirrel's kinetic energy?

A transmission diffraction grating with 420 lines/mm is used to study the light intensity of di event orders (n). A screen is located 2.8 m from the grating.

A person carries a plank of wood 2.00 m long with one hand pushing down on it at one end with a force f1 and the other hand holding it up at. 500 m from the end of the plank with force f2. if the plank has a mass of 20.

0.05 kg bullet is fired to the north from a 4.0 kg rifle that is initially at rest. The bullet leaves the rifle with a momentum of 20 Ns. Determine the total momentum of the bullet-and-rifle before the bullet is fired?

What is the bicyclist's velocity at t=35s?

If an object repels from another negatively charged object, the first object is

A long rope with mass m is suspended from the ceiling and hangs vertically. A wave pulse is produced at the lower end of the rope, and the pulse travels up the rope.

What is the potential engery of a 150 kg diver standing on a diving board that is 10m high?

Identify the three controls on a automobile they are responsible for causing the car to accelerate

How is the energy of a nuclear reactor converted to electricity?

Assuming one nerve impulse must end before another can begin, what is the maximum firing rate of a nerve in impulses per second? Assume that it takes a millisecond for an impulse to travel through a nerve cell.