MHT CET Physics question
A spherical ball of radius m and density falls freely under gravity through a distance h before entering a tank of water. If after entering the water the velocity of the ball does not change, what is the value of h? (Viscosity of water is )
Answer: (A)
Solution
The speed on entering, , must equal the terminal speed $ = =
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account