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Physics, 06.11.2019 23:31 Serenitybella

Radar can be used to measure the distance from the sun to the earth.

a) the speed of the wave is 3x10^8 m/s and the distance to the sun is 1.496x10^8 km; how long should the signal take to reach the sun and come back?
b) why can’t sound waves be used in this situation?

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Radar can be used to measure the distance from the sun to the earth.

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