Assume the following vehicle are all moving at the same speed. it would be harder to change the velocity of which vehicle. a.bicycle. B.car. c.motorcycle. D.semi-tractor trailer.

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.