(a) What is the largest average velocity of blood flow in an artery of radius `2 xx 10^-3` m if the flow must remain laminar? (b) What is the corresponding flow rate? (Taking viscosity of blood to be `2.084 xx 10^-3 Pa s)`

In deriving Bernoulli's equation, we equated the work done on the fluid in the tube to its change in the potential and kinetic energy . What is the largest average velocity of blood How in an artery of diameter 2xx 10^-3 m if the flow must remain laminar ? Discuss qualitatively.

What is the de-Broglie wavelength of a dust particle of mass 1.0 xx 10^-9 kg drifting with a speed of 2.2 m/s?

The rate constant of a reaction is 3xx10^2 mi n^-1 . What is the order of reaction ?

The velocity of an e in excited state of H-atom is 1.093 xx 10^(6)m//s , what is the circumference of this orbit?

An electron moves in a circle of radius 0.15 m with a constant speed of 3.6 xx 10^6 ms^-1 . What electric current does this correspond to?

What is the value of escape velocity on a planet whose mass is 4 times and radius is half of earth? For earth escape velocity = 11.2 km s^-1 ?

What is the electric potential at the surface of an iron nucleus? The radius of the nucelus is 4.2 xx 10^-15 m and the atomic number is 26.

Find the magnitude of electric field which will jut balance a deutron of mass 3.2 xx 10^-27 Take g = 10 ms^-2