A student moves a desk 12 m with a force of 40 N in 20 seconds, how much power does she have?
9,600 w 24w 480w 60w

This is the substance(s) formed in a chemical reaction.

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.

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal