Every spring has an equilibrium position. which statements describe a spring at its equilibrium position
the spring constant is zero.
the elastic potential energy is at a maximum.
the elastic potential energy is zero.
the displacement of the spring is at a maximum.
the net force acting on the spring is zero.

Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves