A package of mass 8 kg sits at the equator of an airless asteroid of mass 6.0 1020 kg and radius 9.7 105 m. We want to launch the package in such a way that it will never come back, and when it is very far from the asteroid it will be traveling with speed 209 m/s. We have a large and powerful spring whose stiffness is 1.2 105 N/m. How much must we compress the spring

How many times did thomas edison mess up the light bulb

What happens to an isotope during radioactive decay?

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?