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An engineering contractor wants to advertize using a banner towed by an aircraft The banner is to be 20 m long and 3 m high

An engineering contractor wants to advertize using a banner towed by an aircraft The banner is to be 20 m long and 3 m high Apply flatplate boundary layer theory to estimate the drag force and the power required for a towing speed of 50 ms Explain and justify any approximations that you make

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