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A canon can fire shells at speed u. Inclination of its barrel to the horizontal can be changed in steps of Δθ=1∘ ranging from θ1=15∘ to θ2=85∘. Let Rn be the horizontal range for projection angle θ=n∘. If ΔRn=|Rn−Rn+1|, the value of n such that ΔRn is maximum is Neglect air resistance. |
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Answer» A canon can fire shells at speed u. Inclination of its barrel to the horizontal can be changed in steps of Δθ=1∘ ranging from θ1=15∘ to θ2=85∘. Let Rn be the horizontal range for projection angle θ=n∘. If ΔRn=|Rn−Rn+1|, the value of n such that ΔRn is maximum is Neglect air resistance. |
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