Download What is projectile motion?

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Transcript
What is the maximum height the ball
reaches?
• Ball reaches maximum height when Vy = 0, so
Vy = Vy0 + ayt becomes 0 = 43 m/s +(-9.8)t
-43 = -9.8t
t = 4.4 s; Y = ½ayt2 so Y = 94.3m
• Ball’s total hang time is 2 x the time it takes to
reach max height, so total time = 8.8 s.
• How far does the ball travel horizontally in the
time it is in the air?
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