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  • A body weighs  in air and <img alt="40 \mathrm{~g}" src="https://entrancecorner.oncod

A body weighs 50 \mathrm{~g} in air and 40 \mathrm{~g} in water. How much would it weigh in a liquid of specific gravity 1.5 ?

Option: 1

30 g


Option: 2

35 g


Option: 3

65 g


Option: 4

45 g


Answers (1)

best_answer

\mathrm{\begin{aligned} & \left.\begin{array}{l} V \sigma_b g=50 g \\\\ V \sigma_w g=10 g \end{array}\right\} \quad \frac{\sigma_b}{\sigma_w}=\frac{5}{1}=5 ; \\\\ & V \sigma_b g-\sigma_1 g=w^{\prime} \\\\ & V g(5000-1500)=w^{\prime} \\\\ & w^{\prime}=35 g \end{aligned}}

Posted by

Suraj Bhandari

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