Please answer all questions and show work:

4. 500-gram brick slides down a slope with a velocity of 4.0

a. What is the kinetic work

5. Cargo at rest weighs 2100 kg with a train moving 10 m/s and weighing 3200

Final velocity?

a. Direction once they attach?

b. What type of collision is it?

6. A car makes a sharp turn on the right with a 75 static friction equalling .63

a. What is the max velocity?