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4-4 General Launch Angle

4-4 General Launch Angle. v ix =v i cosθ v iy =v i sin θ x-direction y-direction v fx =v ix v fy =v iy +a y t x f –x i =v ix t y f =y i +v iy t+1/2a y t 2. v i. θ. (a y = - g). 6m/s. 0.3 m.

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4-4 General Launch Angle

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  1. 4-4 General Launch Angle vix=vi cosθ viy =vi sinθ x-direction y-direction vfx =vix vfy =viy +ay t xf –xi =vixt yf=yi+viyt+1/2ayt2 vi θ (ay= - g)

  2. 6m/s 0.3 m 350 • How long does it take to get landing? • How far does it travel? • What is the maximal height the ball reach? • How long to get top point?

  3. vix Range of a projectile (R ) vy vix vix vy θ 4-5 Projectile Motion: Key Characteristics viyt+1/2ayt2=0 visinθ=1/2gt

  4. vix vy vix vix vy 300 • How far does it go to top? • How long does it take at top? • What does x displacement touch ground?

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