Which best describes what a refrigeration system would do? It adds cold air through the room. It moves the thermal energy to another place. It allows coolant to release cold air into the room. It transfers energy from the ground.

What is the final phase of mitosis

By considering the hybridization of orbitals in diamond, explain why it is (a) an electrical insulator at room temperature and (b) extremely hard.

net force of 30 N is applied to a cart with a mass of 3.0 kg. a. What is the acceleration of the cart? a = m/s2 b. How long will it take the cart to travel 60 m, starting from rest?

A golfer uses a club to hit a 45 g golf ball resting on an elevated tee so that the golf ball leaves the tee at the horizontal speed of + 38m/s.

Why don't the noble gases form compounds readily? A. they have empty outer energy levels B. they have no electrons C. they have seen electron in the outer energy level D. their outer energy level are completely filled with electrons

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?