In a vacuum system, the force on a glass window is 2x10^2 N when the
pressure within the system is 1 Pa and the atmospheric pressure is 1x10^5 Pa.What would be the force on the window if the pressure in the system was reduced to 1x10^-5 Pa ?
A. 2x10^7 N
B. 4x10^2 N
C. 2x10^2 N
D. 1x10^2 N
Matter----fluids
2008-07-15 7:46 am
回答 (1)
2008-07-15 9:18 am
✔ 最佳答案
The answer is C.圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080715_phy01.jpg?t=1216055810
收錄日期: 2021-04-24 09:52:26
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