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Question

A projectile is fired at an angle of 45 with the horizontal. What will be the elevation angle of the projectile at its highest point as seen from the point of projection?

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Solution


tanθ=HR2=2HR=2.(v20sin2θ02g)(2v0cosθ0.v0sinθ0g)=sinθ02cosθ0=tanθ02
=tan452=12
θ=tan1(12)

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