A RADAR signal is beamed towards a planet and its echo is received 7 minutes later. If the distance between the planet and the earth is 63 Giga meter. Calculate the speed of the signal.
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A radar signal is beamed towards a planet and its echo is received 7 minutes later. If the distance between the planet and the earth is 6.3 x 10 m, calculate the speed of the signal. (Ans 3 x 10 ms)
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the distance of planet = 6.3*10^10 the speed =3*10^8m/s
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