Eratosthenes used what object to determine the size of earth? a) pyramids in giza, b )tower in babel, c ) sphinx in alezandria, d) well in alexandria

Which statement best explains why an object weight less on mercury than it does on earth

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia