Chapter 14 – Fluid Mechanics
A solid sphere falls with a terminal velocity of 20ms^−1 in air. If it is allowed to fall in vacuum
16
Sep
A solid sphere falls with a terminal velocity of 20ms^−1 in air. If it is allowed to fall in vacuum A solid sphere falls with a terminal velocity of 20ms^−1 in air. If it is allowed to fall in vacuum September 16, 2020 Category: Cengage NEET by C.P Singh , Chapter 14 - Fluid Mechanics [...]
Eight drops of a liquid of density ρ and each radius a are falling through air with a constant velocity 3. 75cms^−1. when the eight drops coalesce to from a single drop the terminal velocity of the new drop will be.
16
Sep
Eight drops of a liquid of density ρ and each radius a are falling through air with a constant velocity 3. 75cms^−1. when the eight drops coalesce to from a single drop the terminal velocity of the new drop will be. A square plate of 0.1 m side moves parallel to a second plate with [...]
A small spherical ball falling through a viscous medium of negligible density has terminal velocity v. Another ball of the same mass but of radius twice that of the earlier falling through the same viscous medium will have terminal velocity
16
Sep
A small spherical ball falling through a viscous medium of negligible density has terminal velocity v. Another ball of the same mass but of radius twice that of the earlier falling through the same viscous medium will have terminal velocity A square plate of 0.1 m side moves parallel to a second plate with a [...]
A small sphere of mass m is dropped from a great height. After it has fallen 100 m it has attained its terminal velocity and continues to fall at that speed. The work done by air friction against the sphere during the first 100 m of fall is-
16
Sep
A small sphere of mass m is dropped from a great height. After it has fallen 100 m it has attained its terminal velocity and continues to fall at that speed. The work done by air friction against the sphere during the first 100 m of fall is- A square plate of 0.1 m side [...]
If the terminal speed of a sphere of gold (density =19.5kg/m^3) is 0.2m/s in a viscous liquid (density =1.5kg/m^3), find the terminal speed of a sphere of silver (density =10.5kg/m^3) of the same size in the same liquid
16
Sep
If the terminal speed of a sphere of gold (density =19.5kg/m^3) is 0.2m/s in a viscous liquid (density =1.5kg/m^3), find the terminal speed of a sphere of silver (density =10.5kg/m^3) of the same size in the same liquid find the terminal speed of a sphere of silver (density =10.5kg/m^3) of the same size in the [...]
A ball of radius r and density p falls freely under gravity through a distance h before entering water. Velocity of ball does not change even on entering water. If viscosity of water is n, the value of h is given by.
16
Sep
A ball of radius r and density p falls freely under gravity through a distance h before entering water. Velocity of ball does not change even on entering water. If viscosity of water is n, the value of h is given by. A ball of radius r and density p falls freely under gravity through [...]
A spherical ball is dropped in a long column of viscous liquid. The speed of the ball as a function of time may be best represented by the graph
16
Sep
A spherical ball is dropped in a long column of viscous liquid. The speed of the ball as a function of time may be best represented by the graph A spherical ball is dropped in a long column of viscous liquid. The speed of the ball as a function of time may be best represented [...]
A square plate of 0.1 m side moves parallel to a second plate with a velocity of `0.1 m/s`, both plates being immersed in water. If the viscous force is 0.002 N and the coefficient of viscosity is 0.01 poise , distance between the plates in m is
16
Sep
A square plate of 0.1 m side moves parallel to a second plate with a velocity of `0.1 m/s`, both plates being immersed in water. If the viscous force is 0.002 N and the coefficient of viscosity is 0.01 poise , distance between the plates in m is A square plate of 0.1 m side [...]
A man is carrying a block of a certain substance (of density 1000 kg m^−3) weighing 1kg in his left hand and a bucket filled with water and weighing 10 kg in his right hand. He drops the block into the bucket. How much load does he carry in his right hand now.
15
Sep
A man is carrying a block of a certain substance (of density 1000 kg m^−3) weighing 1kg in his left hand and a bucket filled with water and weighing 10 kg in his right hand. He drops the block into the bucket. How much load does he carry in his right hand now. a number [...]
A large cylindrical tank has a hole of area A at its bottom. Water is poured in the tank by a tube of equal cross sectional area A ejecting water at the speed v.
14
Sep
A large cylindrical tank has a hole of area A at its bottom. Water is poured in the tank by a tube of equal cross sectional area A ejecting water at the speed v. A large cylindrical tank has a hole of area A at its bottom. Water is poured in the tank by a [...]