True or False A roller coaster car never returns to its starting height because energy gets lost along the way. Please fast

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?