A 2 kg ball if at rest. If the ball accelerates to 20 m/s, what is the change in momentum?

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

What is the major limitation to the light microscope?

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?