A man is standing at a distance of 2m from a large plane mirror. he walks 1m farther away from the mirror. how far is his image now from him​

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 you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane