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Typical questions (projectile motion; for given vo and 0) What is the range of the ball (L)? h xo t=(vo cos 0)t 0 X How long does it take for ball to reach final point(P)? y: y=(vo sin 0)t/1/2 gt2=01 when at P [(Vo sin 0)-12gt]t=0 t=0 t=2(vo sin 0)/g Physics 121: Lecture 7, Pg 3Physics 121: Lecture 7, Pg 3 Typical questions : (projectile motion; for given v0 and q) What is the range of the ball (L) ? How long does it take for ball to reach final point (P) ? q h L y x v0 P y = (v0 sin q) t - 1/2 g t2 = 0 ! when at P [ (v0 sin q) - 1/2 g t] t = 0 t = 0 ; t = 2 (v0 sin q) / g L = vx0 x : t = (v0 cos q) t y :
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