Get 2 FREE Instant-Explanations on Filo with code FILOAPP

Water in a river 20m deep is flowing at a speed of 10ms^{-1}.

Question

Water in a river $20 m$ deep is flowing at a speed of $10 m s^{- 1}$ . The shearing stress between the horizontal layers of water in the river in $N m^{- 2}$ is :(coefficient of viscosity of water $= 1 0^{- 3}$ SI units)

1 \times 1 0^{- 2}

0.5 \times 1 0^{- 2}

1 \times 1 0^{- 3}

0.5 \times 1 0^{- 3}

Views: 1,272 students

Found 2 tutors discussing this question

Amelia Discussed

Water in a river

20 m

deep is flowing at a speed of

10 m s^{- 1}

. The shearing stress between the horizontal layers of water in the river in

N m^{- 2}

is :(coefficient of viscosity of water

= 1 0^{- 3}

SI units)

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

\frac{F}{A} =

shearing stress

= η \frac{d v}{d x}

\frac{d v}{d x} = \frac{10 m s ^{- 1}}{20} = 0.5

∴

shearing stress

= 0.5 \times 1 0^{- 3}

Was this solution helpful?

150

Report

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our physics tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	Water in a river $20 m$ deep is flowing at a speed of $10 m s^{- 1}$ . The shearing stress between the horizontal layers of water in the river in $N m^{- 2}$ is :(coefficient of viscosity of water $= 1 0^{- 3}$ SI units)
Answer Type	Text solution:1
Upvotes	150