Question
Derive expression for terminal velocity when a ball of radius r is dropped thrugh a liquid of viscousity and density .
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A metal ring mass 2.1 kg and of 10 cm radius is revolving about its axis making revolutions per second. If this ring is dropped in a viscous liquid, The heat generated in the liquid is equal to (j = 4.2 j/cal) Question Text | Derive expression for terminal velocity when a ball of radius r is dropped thrugh a liquid of viscousity and density . |