A water pump moves water from the bottom of a well to the surface that is 200 m higher. After running for 8 hours, the pump has moved 100,000 kg of water. How much work has the pump done?
(A) 6.8 x 103
(B) 2.0 x 107
(C) 1.96 x 108
(D) 1.57 x 109

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e