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Question 2 (4 points) A spring launcher shoots a ping pong ball vertically up into the air near the edge of the lab table. The launcher is on a table top 75 cm above the floor. If the ping pong ball took 0.81 seconds from launch to hit the floor, what was the balls initial speed in this case? Also, what is the greatest height reached by the ball, to the closest cm or m, with respect to the table top d .75 m t.81 /s at:-9.8 m/s 2 (75),& (0.81) + (0.5) x(-9.8)% (0.51)^2 (.75) Yo (.81) (3.2149 m) Ve 4.89 Save
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2 x9.8 A: 니

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