How is energy transferred and transformed? and examples with full explanation.

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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?