Show that this expression is consistent with y being measured in Nm. It can be shown that is also equal to the energy stored per umit area in the surface. Show that this is also consistent with 7 being measured in Nm. Describe a method for measuring'; which is başed on measuring the excess pressure in a bubble.

Show that this expression is consistent with y being measured in Nm. It can be shown that is also equal to the energy stored per umit area in the surface. Show that this is also consistent with 7 being measured in Nm. Describe a method for measuring'; which is başed on measuring the excess pressure in a bubble.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter11: Fluid Statics

Section: Chapter Questions

Problem 61PE: If the gauge pressure inside a rubber balloon with a 10.0-cm radius is 1.50 cm of water, what is the...

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In about 1657. Otto von Guericke, inventor of the air pump, evacuated a sphere made of two brass hemispheres (Fig. P9.89). Two teams of eight horses each could pull the hemispheres apart only on some trials and then with greatest difficulty, with the resulting sound likened to a cannon firing. Find the force F required to pull the thin-walled evacuated hemispheres apart in terms of R, the radius of the hemispheres, P the pressure inside the hemispheres, and atmospheric pressure P0. Figure P9.89
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