A certain rubber band stretches 2 cm when a 5 N force is applied. If the rubber band obeys Hooke's law, how much force does it take to stretch the rubber band 3 cm? Be sure to show all your work. *

Which changes of state do the labels represent? a: b: c:

What is the most useful equation for electric power?

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?