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# Is this wrong ? watch

1. Ok may 2012 physic past paper question 17 bi
show up thrust is 2 *10^-5 N

tge data given diameter is 1.6 *10^-3

volume 2.1*10^-9
densisty of sand is 2.7 *10^3

weight 5.7*10^weight varies in proportion to radi 5N
show density of water is 1*10^3

What I did up thrust = 2.1*10^-9*1*10^3 got the answer
the mark sheme else by calculating mass then times it by 9.81

is tht wrong
2. (Original post by Imrankhan0121)
Ok may 2012 physic past paper question 17 bi
show up thrust is 2 *10^-5 N

tge data given diameter is 1.6 *10^-3

volume 2.1*10^-9
densisty of sand is 2.7 *10^3

weight 5.7*10^weight varies in proportion to radi 5N
show density of water is 1*10^3

What I did up thrust = 2.1*10^-9*1*10^3 got the answer
the mark sheme else by calculating mass then times it by 9.81

is tht wrong
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