Questions For Work and Energy 1. A 20.0 kg wagon ls pulled with a force of 40.0 N by Its handle at an angle of 3.0.0II to the horizontal. Calculate the work done in pulling it 10.0 m. 2. If the wagon above starts from rest, what is its speed after 10.0 m? 3. A 1200 kg car is traveling down the road at 50.0 kmf'h. A. if it takes 33.0 m to stop the car, calculate the work done by the brakes in stopping the car. 0. What is the average force of friction applied by the brakes during the car' 5 stopping? 4. A 20.0 kg wagon is pulled with a force of 40.0 N by its handle at an angle of 30.0JI to the horizontal against a force of friction of 20.0 N. a} Determine the net force in the direction of motion. bl Calculate the work done in pulling the cart 10.0 m. cl If the wagon starts from rest. what is its speed after 10.0 m? S. The 10kg crate is being pushed 5m along a oor by an Bil-N force. The p it between the floor and the crate is 0.1. Determine the work done on the crate by each of the following forces: A. the BD-N force B. the gravity 1:. the normal force D. the friction E. the net force F. Find the change in the kinetic energy of the crate