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Question

Two bodies are in equilibrium when suspended in water from the arms of a balance. The mass of one body is 36 g and its density is 9g / cm3is



A

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B

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C

3

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D

5

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Solution

The correct option is A

3


Apparent weight = V(pσ)g=mp(pσ) where mass of the body, density of the body and σ= density of water If two bodies are in equilibrium then their apparent weight must be equal. m1p1(p1σ)g=m2p2(p2σ)g369(91)=48p2(p21)g.. By soliving we get p2 = 3


Physics

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