The driver of a sports car traveling at 10.0⁣m/s steps down hard on the accelerator for 5.0⁣s and the velocity increases to 30.0⁣m/s. what was the average acceleration of the car during the 5.0s time interval?

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.