Projectile motion in 2D A projectile is launched from the edge of a cliff, at a height yo above the underlying plateau. The initial velocity vector V=V₂₁ ²+ VyoĴ makes an angle = 45° with respect to the horizontal, as shown in the figure. The projectile lands at a distance from the bottom of the cliff. Find the vebuity vyo as a function of X=xel yo and yog makes this possible. that 9. لم YA L We obtain: 1-95 AG X = = = (1+11+20) A few algebraic steps: Xa-1 =√1+2a Vy = / Yog X2²-2X2+1=X+22 Xα = 2(x+1) d = 2 = 275 yo 34 Newton's II law with constant force (10) Equation of motion: md=-mg )= V dt m → Vx=V₂0, X(t) = √₂+ dvy m мон o-ng - Yo Yongt, утунцаћи де dt. dv₁ = 0 dt The projectile touches ground at time t= ta such that 0=yo+vyotg Vyeo ± √ V 24 Vy g² g = (-sign rejected as it gives to <0). Therefore: XG = V Yoyo (1+1/1+ 2002) g Now use =V₂ (for 9=45°) and introduce and d = X = 26 yo Numbers: while Input parameters are y. and X= 7₂/9₁, g=9.8 m/s². To make things simple, choose X = 2 Yog Then = 2400 m/s² vz Vyo = 40 The three component of this vector equation as 5
Projectile motion in 2D A projectile is launched from the edge of a cliff, at a height yo above the underlying plateau. The initial velocity vector V=V₂₁ ²+ VyoĴ makes an angle = 45° with respect to the horizontal, as shown in the figure. The projectile lands at a distance from the bottom of the cliff. Find the vebuity vyo as a function of X=xel yo and yog makes this possible. that 9. لم YA L We obtain: 1-95 AG X = = = (1+11+20) A few algebraic steps: Xa-1 =√1+2a Vy = / Yog X2²-2X2+1=X+22 Xα = 2(x+1) d = 2 = 275 yo 34 Newton's II law with constant force (10) Equation of motion: md=-mg )= V dt m → Vx=V₂0, X(t) = √₂+ dvy m мон o-ng - Yo Yongt, утунцаћи де dt. dv₁ = 0 dt The projectile touches ground at time t= ta such that 0=yo+vyotg Vyeo ± √ V 24 Vy g² g = (-sign rejected as it gives to <0). Therefore: XG = V Yoyo (1+1/1+ 2002) g Now use =V₂ (for 9=45°) and introduce and d = X = 26 yo Numbers: while Input parameters are y. and X= 7₂/9₁, g=9.8 m/s². To make things simple, choose X = 2 Yog Then = 2400 m/s² vz Vyo = 40 The three component of this vector equation as 5
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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My question is that I don’t understand what happened in the second page from where it says we obtain:
I get how we got X but I don’t get how we get alpha in the first page and then use it in the second page till we get the final formula if you can please show me the steps of finding the final formula
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my question was also how did we get alpha to begin with so that we can substitute it
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