A 72 g particle is moving to the left at 24 m/s. How much work must be done on the particle to cause it to move to the right at 36 m/s

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

Explain why electric current cannot exist if a current doesn't have a voltage source.

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.