question archive Air enclosed in a sphere has density 1
Air enclosed in a sphere has density 1
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Air enclosed in a sphere has density 1.5 kg/m^3. What will the density be if the radius of the sphere is halved, compressing the air within?
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when radius is halved, volume = 1/8 times
so, density = 8 times original = 8 x 1.5 kg/m^3 = 12 kg/m^3
