4. A student needs to find the density of a cube. Each side of the cube measures 2 cm and the mass of the cube is 12 g.
What is the approximate density of the cube?

Science

Avalue that describes how heavy an object is and is related to the force of gravity is

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •