A truck moves 60 kilometers east from point A to point B. At point B, it turns back west and stops 15 kilometers away from point A. What are the total distance and total displacement of the truck?
O A The total distance is 105 kilometers, and the total displacement is 15 kilometers east.
OB. The total distance is 105 kilometers, and the total displacement is 45 kilometers east.
ОС, The total distance is 60 kilometers, and the total displacement is 60 kilometers east.
OD The total distance is 60 kilometers, and the total displacement is 45 kilometers east.
OE
The total distance is 105 kilometers, and the total displacement Is 75 kilometers east.

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.