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Author Question: A large water storage container is filled to a depth of 3.0 m. The volume above the water is filled ... (Read 120 times)

FButt

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on: Aug 6, 2020

Question 1

A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston. If the smaller piston has an area of 10 cm2, what is the cross-sectional area of the larger piston?

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40 cm2

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80 cm2

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196 cm2

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392 cm2

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160 cm2


Question 2

A large water storage container is filled to a depth of 3.0 m. The volume above the water is filled with air. In order to pump the water from the container, the air pressure in the container is increased by 3.0 105 N/m2. What happens to the pressure in the water at a depth of 1.0 m when the air pressure is increased?

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Nothing, it is still at a depth of 1.0 m and the pressure in the water depends only on the depth.

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It increases by 1.0 105 N/m2, since it is at 1/3 the depth of the water.

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It increases by 2.0 105 N/m2, since it is at 2/3 the depth from the bottom of the container.

◦
It increases by 3.0 105 N/m2.

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It increases by 3.0 105 N/m2 + 9.8 103 N/m2 since it is 1.0 m deep in the water.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by FButt on Aug 6, 2020

wergv

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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FButt

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Reply 2 on: Aug 6, 2020
Gracias!

kjohnson

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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