Apassenger on a stopped bus notices that rain is falling vertically just outside the window. when the bus moves with constant velocity, the passenger observes that the falling raindrops are now making an angle of 17 degrees with respect to the vertical.
a) what is the ratio of the speed of the raindrops to the speed of the bus?
b) find the speed of the raindrops, given that the bus is moving with a speed of 19 m/s .

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.