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A sphere contracts in volume by 0.01% when taken to the bottom of sea 1 km deep. If the density of sea water is 10^3 kg m^−3 , find the bulk modulus of the

material of the sphere.


Pressure at bottom =pressure at sea level+rho*g*h
P=1.013*10^5 +10^3*9.8*1000 =91.813*10^5 Pa
B=-PV/ difference in volume =(91.813*10^5)*(10^4)=91.813*10^9 Pa= 9.183*10^10 Pa 
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