filmov
tv
A man is rowing a boat with a constant velocity `v_(0)` in a river. The contact area of boat is `'A'
Показать описание
A man is rowing a boat with a constant velocity `v_(0)` in a river. The contact area of boat is `'A'` and coefficient of viscosity is `eta`. The depth of river is `'D'` . Find the force required to row the boat.