What is meant by 7 m³/min of compressed air?
give example for clear understanding, that how much air will pass in minute?

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Which atomic model was proposed as a result of j. j. thomson’s work?

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?