A1650 kg car accelerates at a rate of 4.0 m/s. how much force is the car's engine producing?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem

What’s #16 asking me and how do i solve it?