a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal . (ans is 45degree)

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Srijan · Answer

Let horizontal velo. be V. Very velo. be v.v^2=2gh =2×9.8×45 v=21t=21/9.8V=90/t =42Angle= tan inverse (v/V) =tan^-1(1/2) =45°

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a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal . (ans is 45degree)

a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal .
(ans is 45degree)

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a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal . (ans is 45degree)

a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal . (ans is 45degree)

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a shell fired from ground is just able to cross horizontally the top of a wall 90 m away and 45 of height.find the angle of projection of shell with the horizontal .
(ans is 45degree)