3. A train travels 450 m north traveling at a velocity of 50 m/s . How long did it take the train to make this trip?

Name the non metal condut electricity

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

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot