Home
Class 12
PHYSICS
A smooth spherical ball of radius 1cm an...

A smooth spherical ball of radius `1cm` and density `4xx10^(3)kg//m^(3)` is dropped gently in a large container containing viscous liquid of density `2xx10^(3)kg//m^(3)`, and `eta=0.1 N-s//m^(2)`. The distance moved by the ball in `t=0.1sec` after it attains terminal velocity is

A

`4/5 m` up

B

`4/9 m` up

C

`2/3 m` down

D

`4/9 m` down

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A spherical ball of diameter 1 cm and density 5xx10^(3)kg m^(-3) is dropped gently in a large tank containing viscous liquid of density 3xx10^(3)kgm^(-3) and coefficient of viscosity 0.1 Nsm^(-2) . The distance that the ball moves n 1 s after attaining terminal velocity is (g=10ms^(-2))

A small metal ball of diameter 4 mm and density 10.5 g//cm^(3) in dropped in glycerine of density 1.5 g//cm^(3) . The ball attains a terminal velocity of 8//cm s^(-1) . The coefficient of viscosity of glycerine is

A spherical ball of density rho and radius 0.003m is dropped into a tube containing a viscous fluid up to the 0 cm mark as shown in the figure. Viscosity of the fluid =1.26N-s//m^(2) and its density rho_(L)=(rho)/(2)=1260kg//m^(3) . Assume that the ball reaches a terminal speed at 10cm mark. The time taken by the ball to travel the distance between the 10cm and 20cm mark is (g=10m//s^(2))

Two metal spheres are falling through a liquid of density 2xx10^(3)kg//m^(3) with the same uniform speed. The material density of sphere 1 and sphere 2 are 8xx10^(3)kg//m^(3) and 11xx10^(3)kg//m^(3) respectively. The ratio of their radii is :-

A small metal ball of diameter 4 mm and density 10.5 g//cm^(3) in dropped in glycerine of density 1.5 g//cm^(3) . The ball attains a terminal velocity of 8cm s^(-1) . The coefficient of viscosity of glycerine is

A spherical planet has uniform density pi/2xx10^(4)kg//m^(3) . Find out the minimum period for a satellite in a circular orbit around it in seconds (Use G=20/3xx10^(-11) (N-m^(2))/(kg^(2)) ).

A hemispherical bowl just floats without sinking in a liquid of density 1.2xx10^(3)kg//m^(3) . If outer diameter and the density of the bowl are 1m and 2 xx 10^(4) kg//m^(3) respectively, then the inner diameter of bowl will be

A hemispherical bowl just floats without sinking in a liquid of density 1.2xx10^(3)kg//m^(3) . If outer diameter and the density of the bowl are 1m and 2 xx 10^(4) kg//m^(3) respectively, then the inner diameter of bowl will be

A spherical ball of radius 3xx10^(-4) m and density 10^(4)kg//m^(3) 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, find h the viscosity of water is 9.8xx10^(-6)N-s//m^(2)

A siphon tube is discharging a liquid of density 900(kg)/(m^(3)) as shown in figure. (P_(0)=1.01xx10^(5) N//m^(2)) Pressure at point B is