A boat moves slowly inside a marina with a constant speed of 1.5 m/s. As soon as it leaves the
marina, it throttles up and moves with a constant
acceleration of 2.40 m/s2. What is the velocity of
the boat after accelerating for 5.00 s?

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.