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An anti-aircraft gum fires at an elevation of 45° at an enemy aircraft at 20.000m...

An anti-aircraft gum fires at an elevation of 45° at an enemy aircraft at 20.000m above the ground. At what speed must the cannon be short to hit the plane at that height?
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Your study abroad journey starts here - Meet with 60 Universities from the United Kingdom & Ireland - Click here to register - IDP Study World - SM
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

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WAEC GCE Nov/Dec 2023 - Practice for Objective & Theory - From 1988 till date, download app now - 4395