Question

The velocity of water in a river is 18 km/h at the surface. If the river is 5 m deep and the flow is streamlined, find the shearing stress between the horizontal layers of water assuming uniform veloicty gradient. Viscosity of water is 10?3 poiseuille.

Name: the velocity of water in a river is 18 kmh at the surface if the river is 5 m deep and the flow is streamlined find the shearing stress between the horizontal layers of water assuming uniform veloicty
Uploaded: 2022-02-23T10:10:25-08:00
Duration: 2 min 18 s
Channel: Dharmendra Maheshwari
Description: the velocity of water in a river is 18 kmh at the surface if the river is 5 m deep and the flow is streamlined find the shearing stress between the horizontal layers of water assuming uniform veloicty

          The velocity of water in a river is 18 km/h at the surface. If the river is 5 m deep and the flow is streamlined,
find the shearing stress between the horizontal layers of water assuming uniform veloicty gradient. Viscosity
of water is 10?3 poiseuille.

Added by Cooper C.

Objective NCERT at your FINGERTIPS: Physics

NCERT 11th Edition

Chapter 10

Instant Answer

Solved by Expert Dharmendra Maheshwari

02/23/2022

Step 1

The velocity at the surface is given as 18 km/h. To convert this to m/s, use the conversion factor: \[ 1 \, \text{km/h} = \frac{1000 \, \text{m}}{3600 \, \text{s}} \] \[ 18 \, \text{km/h} = 18 \times \frac{1000}{3600} \, \text{m/s} = 5 \, \text{m/s} \] Show more…

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The velocity of water in a river is 18 km/h at the surface. If the river is 5 m deep and the flow is streamlined, find the shearing stress between the horizontal layers of water assuming uniform veloicty gradient. Viscosity of water is 10?3 poiseuille.