Calculate the impulse using this force-time graph of a small cart being pushed.
0.060 kg • m/s
0.140 kg • m/s
0.100 kg • m/s
0.080 kg • m/s

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.

The particles that are found in the nucleus of an atom are

Which is a substance that can be separated by physical means and is not the same throughout