a) 2K 3. A baseball player hits a baseball of mass 0.14 kg at a speed of 50 m/s bc) 6K,2C and initial angle of 15 degree. d) 2T, 1C e) 1T,2C a) What is the kinetic energy of the baseball at the highest point of the trajectory? b) Determine the peak height using kinematics. c) Determine the peak height using conservation of energy. d) If the ball was thrown towards the hitter with a speed of 43 m/s, determine the amount of work performed on the ball. e) In part d), was the work done negative, or positive? Explain. Knowledge Communication Thinking and Application Total