P2.39 An 8-cm-diameter piston compresses manometer oil intoan inclined 7-mm-diameter tube, as shown in Fig. P2.39.Whena weight W is added to the top of the piston, the oil risesan additional distance of 10 cm up the tube, as shown.How large is the weight, in N?10 cmD=8 cmPistond=7 mmMeriam redoil, SG = 0.827P2.3915

Solution :Diameter of the piston =0.08 mDiameter of the tube =0.007mh =0.10 sin 15° h=0.0258 mwhen…

Answered: D= 8 cm Piston d =7 mm

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Advanced Physics

D= 8 cm Piston d =7 mm

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Question

P2.39 An 8-cm-diameter piston compresses manometer oil into
an inclined 7-mm-diameter tube, as shown in Fig. P2.39.When
a weight W is added to the top of the piston, the oil rises
an additional distance of 10 cm up the tube, as shown.
How large is the weight, in N?
10 cm
D=8 cm
Piston
d=7 mm
Meriam red
oil, SG = 0.827
P2.39
15

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