Which of the following best describe a generator?

A. requires electrical power unity

B. Can only work with moving water

C. Provides an electrical power output

D. Does not rely on magnetism

Describe the movement of air over two nearby land areas, one of which is heated more than the other

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner

What determines the frequency of a periodic wave?

If the atomic radius of lead is 0.175 nm, calculate the volume of its unit cell in cubic meters.

What is the momentum of a 30-kilogram cart moving with a speed of 10 meters per second

The combustion of fuel in a piston cylinder causes an internal energy change of - 2836 kJ. The components surrounding the cylinder absorb 963.6 kJ of heat. How much work can be done by the fuel on the piston in the cylinder?

A car travelling at 20 m/s due north along the highway makes a right turn on to a side road that heads due east. It takes 50 s for the car to complete the turn. At the end of 50 s, the car has a speed of 15 m/s along the side road.

We see a full moon by reflected sunlight. how much earlier did the light that enters our eye leave the sun

What is energy at motion called

How far would a baseball travel in 0.5 s if it is thrown at a speed of 20 m/s? 40 s 10 m O 10s 40m