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how is bansal nucleas course???????is it gud.......?????.....plz reply........i am fresher.........shoulsd i join it?????i am a fresher.....

how is bansal nucleas course???????is it gud.......?????.....plz reply........i am fresher.........shoulsd i join it?????i am a fresher.....

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

Yes Bansal nucleus course is quite reliable and its one of the best for IITJEE preparations....

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

For dilute suspensions, Stokes' law predicts the settling velocity of small spheres in fluid, either air or water. This originates due to the strength of viscous forces at the surface of the particle providing the majority of the retarding force. Stokes' law finds many applications in the natural sciences, and is given by:

w=\frac{2(\rho_p-\rho_f)gr^2}{9\mu}

where w is the settling velocity, ρ is density (the subscripts p and f indicate particle and fluid respectively), g is the acceleration due to gravity, r is the radius of the particle and μ is the dynamic viscosity of the fluid.

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