A person moves 30m north and then 20 m towards east and finally `30sqrt(2)`m in south-west direction. The displacement of the person from the origin will be
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The correct Answer is:
B
`R=Cxxv_(0)^(n) rArr 8=Cxx10^(n)` and `R=Cxx5^(n)rArr R=8/2^(2)=2m`
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