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  • A bucket contains water filled upto a height . The bucket is tied to a rope which is

A bucket contains water filled upto a height =15 \mathrm{~cm}. The bucket is tied to a rope which is passed over a frictionless light pulley and the other end of the rope is tied to a weight of mass which is half of that of the (bucket + water). The water pressure above atmosphere pressure at the bottom is

Option: 1

0.5 kpa


Option: 2

1 kpa


Option: 3

5 kpa


Option: 4

None


Answers (1)

best_answer

\mathrm{\begin{aligned} & \text { Pressure }=h \rho g_{\text {eff. }} \\ & \mathrm{a}=\mathrm{g} / 3 \\ & \mathrm{~g}_{\text {eff }}=\mathrm{g}-\mathrm{g} / 3=2 \mathrm{~g} / 3 \\ & \Rightarrow \mathrm{P}=\frac{0.15 \times 1000 \times 2 \times 10}{3} \\ & \mathrm{P}=1 \mathrm{KPa} \end{aligned}}

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