Achild pulls a sled up a snow covered hill. the child does 405 j of work on the sled. if the child walks 15m up the hill, how large of a force must the child exert?

An uplifted block of rock between two normal faults

The air that we breath is made mostly of which gaseous molecule

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.