1. Find the work done by a 45 N force pulling a 55.0 kg luggage carrier at an angle of 65 for a distance of 75 m.

2.Chad is reading a 4.1 kg book and places it on the nightstand that is 0.55 m high. He then decides to move the book to the bookshelf that is 2.3 m above the floor. How much work does his hand do on the book?

3.What is the work done by the net force of Jonathon (mass of 69.8 kg) when he is initially skiing at a speed of 4.72 m/s and speeds up to a speed of 9.65 m/s?

4.Courtney is bowling on an 12 incline plane. What is the minimum speed she needs to get the 22 kg bowling ball up 25 m alleyway.

5.Adam is running away from a dog at the speed of 5.2 m/s. He gets to a cliff and sees a river down below. The cliff is 6.0 m high. What is his final speed when he hits the ground. Use conservation of energy to solve.

6.A 51g ball rolls down a 3.0 m hill and hits a spring at the bottom. The spring compresses 2.75 cm. What is the spring constant of the spring.

7.Spiderman is swinging on a 12 m web. He swings up to a 42 and then starts to come back down. What is his speed when he hits the bottom of his swing?

8. A 5.2 kg cat runs up the stairs holding a 1.2 kg mouse toy. It takes the cat 3.0 s to run up the 250 cm flight of stairs. What is the cats power to get up the stairs?

9. How much work must you do to push a 12 kg wood block across a steel table at a constant speed of 1.3 m/s for 15.4 s? The coefficient of kinetic friction is 0.28.