A10 once glass of water (half full) is initially at 15c. it is left outside overnight in a location where the air temperature is -5c. by morning the glass is in equilibrium with the surroundings. find the change in entropy of the water, the surroundings and the universe for this process.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?