An object moving at a constant velocity accelerates at a constant rate of 5.0 m/s^2for a distance of 120 m. At the end of the acceleration, the

object has a velocity of 100 m/s. What was its velocity before

accelerating?

Why do electron microscopes have higher resolving power than light microscopes?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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.