A car travels at 20km/h for 60 mins how far does it travel

What is the temperature in degrees celsius of a substance with a tempature of 49k

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

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (