Question

PROBLEM SOLVING: Show free-body diagram, complete solution, unit analysis and box your final answer. Use all the decimal in solutions and final answer Projectile Motion 1. A ball is thrown upward from the top of a building at an angle of 45.0° above the horizontal and with an initial speed of 30.0 m/s, as in the figure. The point of release is 50.0 m above the ground. (a) How long does it take for the ball to hit the ground? (b) Find the ball's speed at impact. (c) Find the horizontal range of the ball. (d) Find the maximum height. Neglect air resistance. h30.0m/s (0, 0) 450 50.0 m

Answer 1

a By- veyt - gt? 2-50= (30 sinus'ta y.at? yoqt² – 21.21t - 500 -) to 21:21 +1 2112124 (419) (-50) 214.a) -16.025] vx= vox 30 costs - GO sinuso) – (9.8 x 16.02) = – 37.8 & (e) (dl v dveh tuy = (43.4 mi) Du=vat = (30 cos 45) (6.02) - 1127.70 m) At mas kit., vyao vy voy - agunan e oa (Businuso? ² - (2x9.8) har e von 23 from ground, Sot 23 173m )

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