Light is an electromagnetic wave and travels at a speed of 3.00 × 108 m/s. the human eye is most sensitive to yellow-green light, which has a wavelength of 5.49 × 10-7 m. what is the frequency of this light?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.