A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 200 J of energy from a cold reservoir in each cycle. (a) [3 points] Find the work required in each cycle. (b) [3 points] Find the energy expelled to the hot reservoir.

With i really need the correct answer!

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)