Calculate the flux at the cube surface by the vector field . Round your answer to the closest integer. S= {x^2+y^2 <=9, 0<=z <=10 } by vector field E=

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Why do atoms emit energy of only specific wavelengths