Which of the following describes the moment magnitude of an earthquake?

a. the distance from the earthquake's focus

b. the distance from the earthquake's epicenter

c. the amount of damage caused to buildings

d. the amount of movement along a fault

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

The law of reflection states that the angle of reflection is equal to the angle of

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?