An inclined plane is 30 meters long and 2 meters high. What is the mechanical advantage of the inclined plane? MA =

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge