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[Post New]30 Apr 2007 17:08:48 IST
    Subject: acceleration....plz think
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INDIAN_ARMY19890 (1284)

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v=gt+u
differenciating w.r.t x
dv/dx=g(dt/dx)
now dt/dx is time taken to travel unit distance as u know velocity will goes on increasing during free fall hence dt/dx is a decreasing function
g is constant
hence dv/dx is a decreasing function
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