What is the potential energy of a 2000 N bell at the top of a 20 m tower? 100 Joules

40, 000 Nm

400, 000 J

4000 Joules

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

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

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?