A swimmer can swim in river with a speed of 5 km $h^{- 1}$ He wants to cross the river of width 10 km. r flow velocity is 3 km $h^{- 1}$ He wants to reach at opposite point Ofc bank. Mark correct option

Swimmer is heated at

127^{\circ}

with river flow direction

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Swimmer is heated at

S w i m m e r i s h e a t e d a t

with river flow direction

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Time taken by swimmer to cross the river is 2.5 h

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Time taken by swimmer to cross the river is 2 h

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Solution

The correct option is A Swimmer is heated at $127^{\circ}$ with river flow direction
$\begin{matrix} sin θ = \frac{3}{5} θ = 37^{\circ} A n g l e w i t h f l o w = 90 + 37 = 127^{\circ} H e n c e, t h e o p t i o n A i s t h e c o r r e c t a n s w e r . \end{matrix}$

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A swimmer can swim in river with a speed of 5 kmh−1 He wants to cross the river of width 10 km. r flow velocity is 3 km h−1He wants to reach at opposite point Ofc bank. Mark correct option

The correct option is A Swimmer is heated at 127∘ with river flow directionsinθ=35θ=37∘Anglewithflow=90+37=127∘Hence,theoptionAisthecorrectanswer.

A swimmer can swim in river with a speed of 5 km $h^{- 1}$ He wants to cross the river of width 10 km. r flow velocity is 3 km $h^{- 1}$ He wants to reach at opposite point Ofc bank. Mark correct option

The correct option is A Swimmer is heated at $127^{\circ}$ with river flow direction
$\begin{matrix} sin θ = \frac{3}{5} θ = 37^{\circ} A n g l e w i t h f l o w = 90 + 37 = 127^{\circ} H e n c e, t h e o p t i o n A i s t h e c o r r e c t a n s w e r . \end{matrix}$