How are step-up transformers used in the transmission of electrical energy

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?

By what primary heat transfer mechanism does the sun warm the earth?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.