A mineral sample has a mass of 4.2 grams and a volume of 2 milliliters. What is the density of the mineral

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?