Solve the problems below:
1. A force of 200.0 N is exerted on a 1,000.0 N object. The object moves a distance of 30.0 m. How much work was done on the car?
2. (a) How many horsepower is a 25.0 W lightbulb? (b) How many Watts is in a 1,250,000 hp aircraft engine?
3. Compare the kinetic energy of a car moving at 20.0 m/s to the kinetic energy of the same car moving at 25.0 m/s.
4. A small sports car and a pickup truck start coasting down a 10.0 m hill together, side by side. Assuming no friction, what is the velocity of each vehicle halfway down the hill?
Show Work....Please