The law of reflection states that if the angle of incidence is 29 degrees, the angle of reflection is degrees

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

What does si stand for,when referring to a system of measurement