desireehughes8p2cahy
desireehughes8p2cahy desireehughes8p2cahy
  • 01-05-2018
  • Physics
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How Is radar used to determine the speed of a car

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oppp6535
oppp6535 oppp6535
  • 01-05-2018
Radars are frequently used to identify distance and speed, such as how far away an object is or how fast it is moving. The radar device can then use the change in frequency to determine the speed at which the car is moving. In laser-speed guns, waves of light are used in place of radio waves.
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