Answers: 3
Physics, 23.06.2019 01:30
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.
Answers: 2
Physics, 23.06.2019 13:00
Apendulum has 592 j of potential energy at the highest point of its swing. how much kinetic energy will it have at the bottom of its swing?| units:
Answers: 1
Physics, 24.06.2019 02:00
Aprojectile is shot upward from the surface of earth with an initial velocity of 96 meters per second. use the position function below for free-falling objects. what is its velocity after 5 seconds? after 10 seconds? (round your answers to one decimal place.)
Answers: 3
Show that a 2,500,000-J change in kinetic energy occurs for an airplane that is moved 500 m in takeo...
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