If W be the amount of heat produced in the process of charging an uncharged capacitor then the amount of energy stored in it is

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?