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4. (10 Pts) A ball at ground level is thrown straight up with a speed of 12 m/s. (i) How long does it take the ball to reach the maximum height? A) 0.82 s B) 1.02 s C) 0.63 s D) 1.22 s (ii) What is the maximum height reached by the ball? A) 5.10 m B) 3.26 m C) 7.34 m D) 1.96 m 5. (5 The vertical component of the acceleration of a projectile remains constant during the Pts) entire trajectory of the projectile. B) False A) True ent of a projectiles ntal 6. (5 Pts) For a projectile launched horizontally, the hori velocity A) continuously decreases. B) continuously increases. C) is zero. D) remains a non-zero constant. position. E) any of the above, depending on
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