A book weighing 1.88 N is lifted 4.5 meters, how much work was done?

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

What happens to the velocity of the car when the upward pull of the cable is greater than the downward pull of gravity as the car rises toward the top?

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished