Question #226294

Derive and solve the equation of motion of a particle, in a uniform gravita-

tional field, projected with initial horizontal velocity v 0 at a height h.


1
Expert's answer
2021-08-16T08:37:12-0400

vx=v0cosα,v_x=v_0\cos \alpha,

vy=v0sinαgt,v_y=v_0\sin \alpha-gt,


x=v0cosαt,x=v_0\cos\alpha t,

y=y0+v0sinαtgt22,y=y_0+v_0\sin\alpha t-\frac{gt^2}2,


y(x)=y0+tanαxgx22v02cos2α,y(x)=y_0+\tan\alpha x-\frac{gx^2}{2v_0^2\cos^2\alpha},


α=0,\alpha=0,

y0=h,y_0=h,


y(x)=hgx22v02.y(x)=h-\frac{gx^2}{2v_0^2}.


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