David is rowing a boat upstream. the river is flowing at a speed of 2 miles per hour. david starts rowing at a speed of 6 miles per hour, and his speed decreases at a rate of 1.5 miles per hour.. A man can row a boat upstream at the speed of 8kmph and downstream at the speed of 12 kmph. at what speed can he row in still water? how do boats work? what are the different types of boats? what kind of lever is the rowing of a boat? do i need boat insurance if i own a boat?. A man rowing a boat upstream is at rest with respect to the shore. is he doing any work? follow . 3 answers 3. a man is rowing a boat upstream is at rest with respect to shore. is he doing any work? a man rowing his boat upstream is just about to hold his position with respect to the shore? more questions..
Important formulas - boats and streams. 1. downstream. in water, the direction along the stream is called downstream. 2. upstream. in water, the direction against the stream is called upstream.. If a rower rows with a constant speed then why does he take more time to row in one direction than the other? create your personal learning account.. Alvin toffler — ‘learning is like rowing upstream; not to advance is to drop back.” - chinese proverb’.