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Velocity at a general point P(x, y) for ...

Velocity at a general point P(x, y) for a horizontal projectile motion is given by
`v=sqrt((v_("x")^(2)+v_("y")"^(2))),tan alpha=(v_(y))/(v_(x))`
`alpha`is angle made by v with horizontal in clockwise direction Trajectory equation for a horizontal projectile motion is given by `x=v_(x)t=ut`
y=-`(1//2)"gt"^(2)`
eliminating t, we get `y=-(1//2)(gx^(2))/(u^(2)`
An aeroplane is flying horizontally with a velocity of 720 km/h at an altitude of 490 m. When it is just vertically above the target a bomb is dropped from it. How far horizontally it missed the target?

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