An astronaut drops a hammer and an egg while standing on the surface of the moon. Which one will hit the surface first?
Both will land at the same time
The egs
Neither, both will float off into space
The hammer

Awalk up the phase change graph worksheet

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

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