Need help on all 3 parts

(9%) Problem 11: A 0.240-kg billiard ball that is moving at 3.25 m/s in the positive direction strikes the bumper of a pool table and bounces straight back at 2.35 m/s. The collision lasts 0.0150 s. $ 33% Part (a) Calculate the component of the average force along the direction of the original motion, in newtons, that is exerted on the ball by the bumper during the collision. Fave = 1 Grade Summary Deductions 4% Potential 96% sino cos tan() 7 8 9 HOME Submissions cotan() asin() acos() E AL 4 5 6 Attempts remaining: 2 (4% per attempt) atan() acotan() sinho 2 3 detailed view cosh( tanh() cotanh() + - 0 4% END Degrees . Radians VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 4% deduction per hint. Hints remaining: 2 Feedback: 5% deduction per feedback. & 33% Part (b) What is the change in kinetic energy, in joules, during the collision? A 33% Part (c) What percent of the initial kinetic energy remains in the system after the collision