At the 1 s mark, which objects have equal momentum?
a. the bicycle and the rock
b. the rock and the bowling ball
c. the bowling ball and the bicycle
d. all three objects have the same momentum.

True or false: the revolution of the earth creates day and night as it rotates around the sun

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9