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A rain drop of radius 0.5 mm has a termi...

A rain drop of radius 0.5 mm has a terminal velocity in air `2 ms^(-1)` . The viscosity of air is `18 xx 10^(-5)" dyne "cm^(-2)s` . Find the viscous force on the rain drop.

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To find the viscous force acting on a raindrop, we can use the formula for viscous force (also known as drag force) in a fluid: \[ F = 6 \pi \eta R V \] where: - \( F \) is the viscous force, ...
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