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A stationary wave forms when there are two waves of equal frequency (or wavelength) travelling in opposite directions, passing through one another. Interference occurs, with constructive interference at a...

How much electrical charge has been transferred per second (from the relationship Q=It) charge = current x time.

FULL QUESTION: Electromagnetic radiation of wavelength λ and intensity I, incident on a metal surface, causes n electrons to be emitted per unit time. The maximum kinetic energy of the electrons is Emax. ...

Initially, when you drop an object the only force acting on it is gravity. This accelerates the object towards the ground. As the objects speed increases so does the force of air resitance acting on the o...

Correct answer: the positive difference between the separated and combined mass of the nucleons. 

Explaination: The nculeons are held together by a binding force- ie the strong force, intermedicate...