Permanent magnets have magnetic fields because of ?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.