g What is the electric field a distance 0.33 m above the center of a thick ring of charge having inner radius 0.02 m and outer radius 0.43 m, with charge distribution 12.5 nC/m^2

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false