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Question Number 180954 by Tawa11 last updated on 19/Nov/22

A tugboat is travelling from Asaba to Onitsha across the River Niger with a resultant velocity of 20 knots. If the river flows at 12 knots, the direction of motion of the boat relative to the direction of water flow is?\n
	Answered by mr W last updated on 19/Nov/22

	Commented bymr W last updated on 19/Nov/22

	$θ = 180 ° - \tan^{- 1} \frac{20}{12} = 120.96 °$ $v_{B o a t} = \sqrt{12^{2} + 20^{2}} = 23.32 k n$
	Commented byTawa11 last updated on 19/Nov/22

	$God bless you sir .$
	Commented bymr W last updated on 20/Nov/22

	$d o y o u t h i n k t h i s i s c o r r e c t ? i t i s$ $o n l y s a i d ♮ a c r o s s t h e r i v e r ε . i t {d o e s n}^{'} t$ $m e a n t a k i n g t h e s h o r t e s t d i s t a n c e,$ $o r u p r i g h t t o t h e d i r e c t i o n o f w a t e r$ $f l o w . i n r e a l l i f e a l m o s t n o b o d y d o e s$ $i n t h i s w a y, a s y o u m a y h a v e o b s e r v e d$ $b y y o u r s e l f .$ $t h e d o t t e d a r r o w s s h o w w h a t p e o p l e$ $i n r e a l l i f e d o .$
	Commented bymr W last updated on 20/Nov/22

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