The readings of a mercury barometer on the roof and ground floor of a house are 750 mm. and 760 mm. respectively. If the density of air and mercury are 0.00129g/cc and 13.6 g/cc respectively, then the height of the building is)
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readings of a barometer at the top and ground floors of a building are 75cm and 75.125cm respectively. the density of mercury is 13600kgm^3 and tat of air is 1.36 kgm^3. what is the height of the building?
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