Please answer the following completely and CORRECTLY. Show all work.

co 5. A cannon ball is fired from 1.5 m above the ground, with a speed of 20. m/s at an angle of 30 with the horizon. (a) How long is the cannon ball in the air before hitting the ground? (2 marks) (b) What is the maximum height above the ground reached by the canon ball? (1 mark) (c) What is the range of this projectile motion? (Range refers to the horizontal distance it travels during the motion) (1 mark) 6. In a rescue, the 73 kg police officer is suspended by two cables, as shown in Figure. (3) Sketch a free-body diagram of him. (1 mark) (b) Find the tension in each cable. (2.5 marks) 7. Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30.0\" above the horizontal (see Figure), and the system is released from rest. (a) Make free-body diagrams of each box. (1.5 marks) (b) which way will the 50.0 kg box move, up the plane or down the plane? Or will it even move at all? Show why or why not. (1.5 marks) (c) Find the acceleration of each box. (1.5 marks) 30.0 kg