A 1,000,000 kg train is moving at a constant velocity. If engines are cut and it is allowed to coast up a 20 m tall hill. How fast must it be going in order to reach the top of the hill?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Which subatomic particle has a negative charge

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.