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Grade: 11

                        

How is the Graph of velocity vs displacement in free fall?

2 years ago

Answers : (1)

Susmita
425 Points
							
The equation of force is
Ma=Mg
Or,a=g
Or,dv/dt=g
Or,\frac{dv}{dx}\frac{dx}{dt}=g
Or,\frac{dv}{dx}v=g
Or,vdv=gdx
Or,\int vdv=\int gdx
Or,\frac{v^2}{2}=gx+c
Or,v^2 =2(gx+c)
Or,v2=2g(x+c/g)
This is equation of a parabola with vertex at (-c/g,0) and focus at (g/2,0)
 
2 years ago
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