A600 kg great white shark is lurking below an observation cage. his
movement is being studied from a series of motion sensors below the
boat. the shark leisurely charges the cage, strikes it and makes the
cage rattle. later, the shark returns for another run at the cage. the
shark strikes the cage with 12.800 n of force. the shark traveled for
10 m in making its run. the cage is designed to withstand 124,500n-
m of work” before it breaks. should the man in the cage be worried?
explain.

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?