Arace car's velocity increases from +28 m/s to +36 m/s over a 2.0-s time interval. what is the car's
average acceleration? (in m/s/s)

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.

What happens to an isotope during radioactive decay?

What does the law of conservation of mass state?