If the stone is thrown up vertically and return to the ground, its potential energy is maximum
a) During the upward journey
b) At the maximum height
c) During the return journey
d) At the bottom

Energy is the ability to do work which measures what

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.