CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293-...
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Transcript of CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293-...
![Page 1: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/1.jpg)
CH14.Problems
JH.131
![Page 2: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/2.jpg)
![Page 3: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/3.jpg)
T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N
This tension is equivalent to a 50 gram
What if the tension is a child you want to carry whose weight is 40kg. What would be the volume of He balloon?
40 kg g = V(D.air-D.He) g
V = 40/(1.293-0.1786) = 36 m^3
![Page 4: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/4.jpg)
![Page 5: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/5.jpg)
![Page 6: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/6.jpg)
![Page 7: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/7.jpg)
![Page 8: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/8.jpg)
![Page 9: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/9.jpg)
A1 V1 = A2 V2
V2 = A1/A2 V1 = D1^2 / (25* D2^2) *2 = 1 ^2 / (25 * 0.05^2) * 2 = 32
![Page 10: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/10.jpg)
![Page 11: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/11.jpg)
![Page 12: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/12.jpg)
![Page 13: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/13.jpg)
Po + rho g H+ ½ rho V^2 = P0+ rho g (0) + ½ rho V0^2 V^2 = gH
Q = A * V
![Page 14: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/14.jpg)
Kx + Fb = mg
Solve for x
![Page 15: CH14.Problems JH.131. T = Fb- mg = V * Density.air *g – V* Density.He *g = 0.0500 *9.8*(1.293- 0.1786) = 0.5461 N This tension is equivalent to a 50.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f115503460f94c23516/html5/thumbnails/15.jpg)
The left object exert force of mg
Divided by area A it will give a pressure increase (P1 = mg/A)
This pressure increase will be transmitted to the right side (P1 = P2)
P2 = kx / (20A)
P1 = P2