Calculate the amount of work done when 70 kg person is lifted a verical distance of 1.2 meters

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

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

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z