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A physics student on the Planet Exidor throws a ball, and its follows the parabolic trajectory shown in FIGURE EX4.12. The ball’s position is shown at 1s intervals until t = 3 s. At t = 1 s, the ball’s velocity is
a. Determine the ball’s velocity at t = 0 s, 2 s, and 3 s.
b. What is the value of g on Planet Exidor?
c. What was the ball’s launch angle?
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