Radar is used to determine distances to various objects by measuring the round-trip time for an echo

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Radar is used to determine distances to various objects by measuring the round-trip time for an echo from the object.

(a) How far away is the planet Venus if the echo time is 1000 s?

(b) What is the echo time for a car 75.0 m from a Highway Police radar unit?

(c) How accurately (in nanoseconds) must you be able to measure the echo time to an airplane 12.0 km away to determine its distance within 10.0 m?

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College Physics

ISBN: 9781711470832

2nd Edition

Authors: OpenStax

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Question Posted: Nov 26, 2023 12:12 AM

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Radar is used to determine distances to various objects by measuring the round-trip time for an echo

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