Pre_midterm 1. A sport car initially at rest, accelerates at a rate of 3 m/s'. a) Plot the displacement-time and velocity-time graph. b) Find the displacement of the car after 5 s. 2. A ball thrown downward with initial velocity of 6 m/s. (g=9.8 m/s?) a) Plot the displacement-time and velocity-time graphs of the ball. b) How far away the speed of ball reaches 18 m/s. 3. A soccer player kicks a ball with a velocity of 20 m/s at an angle of 36* above the horizontal. Determine a) Time of flight b) Maximum height c) Range 4. . The object below is at rest. Determine F, and F 1200 N 1400 N 600 N5. The blocks in the figure are pulled to the left with force F=200N. M,=3 kg, My=7 kg, Ma=20kg A M M a) Calculate the acceleration of boxes M1 b) The tension in string A