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Pls help 5. (a) A 2 kg ball is thrown towards a vertical wall with speed of 4 m/s. After the collision ball bounces back

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5. (a) A 2 kg ball is thrown towards a vertical wall with speed of 4 m/s. After the collision ball bounces back with speed of 3 m/s. The contact time of the ball with the wall is 0.2 seconds. (i) Calculate the magnitude of the net force acting on the ball during the collision. (5 points) (ii) What is the direction of the force in (i). (5 points)

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