There are two ways to transfer energy, by particle transfer and by wave. give an example of each.

Which best represents the law of conservation of mass ?

An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?