An equation relating to stability of an aeroplane is `(dv)/(dt)=gcosalpha-kv,` where v is the velocity and g, k,`alpha` are cons

An equation relating to stability of an aeroplane is `(dv)/(dt)=gcosalpha-kv,` where v is the velocity and g, k,`alpha` are constantts. If v=0. at t=0, velocity is
A. `(gcosalpha)/(k)(1-e^(-kt))`
B. `(-gcosalpha)/(k)(1-e^(-kt))`
C. `(gcosalpha)/(k)(1-e^(kt))`
D. `(-gcosalpha)/(k)(1-e^(kt))`

An equation relating to stability of an aeroplane is `(dv)/(dt)=gcosalpha-kv,` where v is the velocity and g, k,`alpha` are constantts. If v=0. at t=0

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