Question

# Superman can fly at speeds almost equal to 2.6×107 m/s. A supersonic jet on the planet Krypton can fly at a maximum speed of 130000 m/s. Choose the correct option(s):

A
Superman flies 200 times faster than the jet
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B
The jet flies 200 times faster than Superman
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C
Superman flies 2000 times faster than the jet
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D
The jet flies 2000 times faster than Superman
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Solution

## The correct option is B Superman flies 200 times faster than the jetGiven:Speed of Superman=2.6×107 m/s =26000000 m/sSpeed of the jet=130000 m/sSuperman's speedSpeed of the jet=26000000130000 =200Hence, Superman flies 200 times faster than the jet. [Alternatively, Superman's speedSpeed of supersonic jet=2.6×1071.3×105=200]

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