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Asked by gpnkumar0 | 02 Oct, 2017, 10:53: AM
answered-by-expert Expert Answer
begin mathsize 12px style It space is space given space that space plywood space is space 1 divided by 3 space immersed space in space water. space Volume space of space plywood equals space straight V space and space density space of space plywood space equals straight d Now comma space straight d space equals 1000 cross times left parenthesis 1 divided by 3 right parenthesis straight V cross times straight g equals dVg space......... space left parenthesis Equation space 1 right parenthesis Density space of space water space equals space 1000 space kg divided by straight m cubed space and space straight g space equals space 10 space straight m divided by straight s squared Substituting space the space values space in space equation space 1 space and space solving comma space we space get straight d equals space 1000 space divided by space 3 space almost equal to space 333 space kg divided by straight m cubed When space the space space man space of space mass space straight m space jumps space on space it space making space it space immersed space 2 divided by 3 space of space its space volume. space Then space we space have comma space density space straight d apostrophe space as straight d equals space 1000 cross times left parenthesis 2 divided by 3 right parenthesis straight V cross times straight g equals left parenthesis straight m plus 1000 straight V divided by 3 right parenthesis straight g space....... left parenthesis Equation space 2 right parenthesis Here space straight V space is space given space as space colon space 3 cross times 2 cross times 0.05 space ON space solving space equation space left parenthesis 2 right parenthesis space we space get space mass space of space man equals 100 space kg. space end style
Answered by Yashvanti Jain | 03 Oct, 2017, 12:10: PM

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