To test the hypothesis above, you will observe the changes during the experiment. to do this, you will use these observations to compare the of the substances to the of the substances.

Asystematic approach to problem solving is called a (an)

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

An object in mechanical equilibrium is an object