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Ellis Bradley
03/02/2024 · High School

Part III. Workout: Show all the necessary steps clearly \& neatly [8 pts.] A ball is projected upward from the edge of a cliff 100 m above the ground level with an initial speed of \( 20 \mathrm{~m} / \mathrm{s} \) at an angle of \( 37^{\circ} \) above the horizontal. A) How long does it take the ball to reach the ground? [2 pts.] B) What is the ball's horizontal distance \( X \) ? [1 pt.] C) What is the speed of the ball just before it strikes the ground? [2pt.] (Use: \( \sin 37=0.6, \cos 37=0.8, g=10 \mathrm{~m} / \mathrm{s}^{2} \) )

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A) The ball takes 5.83 seconds to reach the ground. B) The horizontal distance is 93.28 meters. C) The speed of the ball just before striking the ground is 49.01 meters per second.

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