A spherical solid ball of volume is made of a material of density . [Assume that the liquid applies a viscous force on the ball that is proportional to the square of its speed The terminal speed of the ball is |
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b) |
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A spherical solid ball of volume is made of a material of density . [Assume that the liquid applies a viscous force on the ball that is proportional to the square of its speed The terminal speed of the ball is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

The force acting on the ball are gravity force, buoyancy force and viscous force. When ball acquires terminal speed, it is in dynamic equilibrium, let terminal speed of ball is

So,

127 votes

127