The law of reflection states that the angle of incidence equals the angle of reflection. define the angle of incidence in terms of a line normal to the sureface. (hint) think about how the law of reflection relates to the angle of incidence and the line normal to the surface.

True or false graphs must include scales that increase by the same amount

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?