A geologist is investigating changes that occur during the rock cycle. Which of the following takes place when an igneous rock turns into a sedimentary rock? a. Weathering
b. Deformation
c. Pressure Increase
d. Temperature Increase

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

What object a collides with object b and bounces back its final momentum is?

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