You are canoeing upstream of a river,the current against you is 3 mph.You are rowing at 4 and 1/4.Your hat falls onto the water and only after 45 minutes,you then realise that it is gone.in a split second you make an instantaneous,acceleration-free turnabout to get your hat.(adsbygoogle = window.adsbygoogle || []).push({});

How long will it take for you to get it back?

(this looks like a math question,but trust me it isnt.)

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# Another question,(hope it isnt boring)

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