Q1. Clarify how Einstein's contribution to understanding the force between the earth and the moon differed from Newton's. Include a short statement of Einstein's explanation in the answer.
Q2. Aandra was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of .326581 Hz. how many waves hit the beach in 36 s?
Q3. Rose (mass 55 kg) pushes a box with a horizontal force of 155 N (33.72 lb) at a speed 15m/min. What is Rose's power output?