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5. A ball is hit at 15.0 m/s at 40 above the horizontal. What is the vertical speed of the ball at the initial point? What is the vertical speed of the ball at the highest point? PART B [55] 1. A car with an initial speed of 30 m/s to the right slows down with deceleration of 5 m/s for 4 s. It then speeds up to the same direction with constant acceleration of 2 m/s' until it reaches a speed of 16 m/s. [12] By drawing a diagram of the entire motion of the car, showing coordinate axis and applying kinematics equations I. Determine the velocity of the car at time t = 4 s. II. Determine the net displacement of the car during the entire motion. III. Determine the average velocity of the car during the entire motion. IV. Sketch a velocity vs time graph for the entire motion of the car. 2. A stone is thrown vertically upward with a speed of 15.0 m/s from the edge of a cliff of height 95 m. Ignore air resistance. [10] I. "Using the upward direction positive" and using kinematics equation, determine the velocity with which it strikes the base. II. "Using the upward direction positive" determine the position of the stone at 2.3 s after it was thrown upward from the top of the cliff