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An astronaut is approaching the moon .He sends out a radio signal of frequency 5000MHz and the frequency of echo is different from that of the original frequency by 100KHz.His velocity of approach with respect to the moon is a)2km/s b)3km/s c)4km/s d)5 km/s

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ANKIT MAHATO ·2009-05-03 08:00:21

i a getting 6kmps as ans ...

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Basic Integral Calculus Operators Symbols Matrix Cases

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