Next, Karissa races her friend Cynthia on skateboards. Karissa has a smaller mass than Cynthia.
If Karissa and Cynthia push off of the ground with the same
force, who will have greater acceleration? Why?

How would your answer change if it was known that Karissa also exerted a smaller force (in addition to having a smaller mass)? Defend your answer using the equation that relates force, mass, and acceleration.

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.