Energy created by the flow of electrons through a conductor is called

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

What is the measurement of how fast an object moves relative to a reference point?