The relative density of a material of a body is found by weighing it first in air and then in wa...

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The relative density of a material of a body is found by weighing it first in air and then in water. If the weight of the body in air is \( W_{1}=8.00 \pm 0.05 \mathrm{~N} \) and the weight in water is \( W_{2}=6.00 \pm 0.05 \mathrm{~N} \), then the relative density \( \rho_{r}=W_{1} /\left(W_{1}-W_{2}\right) \) with the maximum permissible error is
(1) \( 4.00 \pm 0.62 \% \)
(2) \( 4.00 \pm 0.82 \% \)
(3) \( 4.00 \pm 3.2 \% \)
(4) \( 4.00 \pm 5.62 \% \)
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