Calculate the gravitational potential energy of a 2 kg banana hanging 5 meters above the ground.
(Use 10 m/s2 for gravity)

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The mini-refrigerator fire was most likely caused by what type of wiring?

The law of reflection states that the angle of reflection is equal to the angle of