A pilot 'banks' the wings of his aircraft so as to travel at a speed of 390 km h in a horizontal circular path of radius 4.8 km. At what angle should he bank his aircraft in order to do this?

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.