QUESTION 1 a} hi '3} Given is the expression for one-dimensional kinematics. State the dimensions for x. x0, Ito. a and t. 1 I: :9 +vui'+c1t2 (2 marks) A metal ball and a sheet of paper are released at the same time in two situations i.e. in a vacuum chamber and outside of the 1vacuum chamber. Predict which one will reach the ground rst in both situations. Explain. (3 marks} A paintball player uses a paintball gun to shoot a bullet as illustrated in Figure 11 The gun is set to shoot with an initial speed of 90 W's. If the player shoots the bullet horizontally. determine the final speed and the direction of the bullet after 0.3 s. v0 = 90 ms Figure 1 {8 marks) Based on your answer in question c]. give and explain one suggestion that can be done to enhance the safety of paintball games. {2 marks}