the mass of the straw is

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A soap flim of surface tension 3 x 10^-2 formed in a rectangular frame can support a straw as shown in figure. If g = 10 m/s^2, the mass of the straw is
11
Oct
A soap flim of surface tension 3 x 10^-2 formed in a rectangular frame can support a straw as shown in figure. If g = 10 m/s^2, the mass of the straw is A soap flim of surface tension 3 x 10^-2 formed in a rectangular frame can support a straw as shown in figure. [...]
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