If an object starting from rest falls 5.7 seconds how far does it fall

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

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.