Which of the following describe the earth's magnetic declination? the angle between earth's magnetic field and earth's surface earth's magnetic field strength at the equator the tendency for the earth's field to reverse itself the angle between true north and north indicated by a compass

What does the term discrediting mean?

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?