lecture5_clicker - the ground? A. 2 s B. 5 s C. 10 s D. 12...

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± The red ball and blue ball are both at height 1 m above ground. The red ball is released from rest. The blue ball has initial velocity in the horizontal direction of 1 m/s. Which ball hits the ground first? V = 0 m/s V x = 1 m/s 1m A. red first B. blue first C. same time
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In-class Quiz– Rescue! How much time will it take for the parcel to drop from the plane to
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Unformatted text preview: the ground? A. 2 s B. 5 s C. 10 s D. 12 s E. 20 s 30 m/s 125 m 2 2 1 t a t v y y y + = 0-125m = (-9.8m/s 2 ) t 2 In-class Quiz Rescue! How far before the plane gets to the hikers does the rescuer need to drop the parcel? A. 180 m B. 150 m C. 120 m D. 100 m E. 50 m 30 m/s 125 m t v x x = = (30 m/s ) (5 s)...
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lecture5_clicker - the ground? A. 2 s B. 5 s C. 10 s D. 12...

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