One object had a mass of 2kg and was lifted at a speed of 2m/s the distance being 10 m, the other had a mass of 4kg and was lifted at a rate of 3m/s the distance also being 10m. which object has more potential energy, the gravity being 9.8m/s^2

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

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?