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How much Pa is a standard atmospheric pressure, how much centimeter of mercury, how much water? How much is a barometric pressure, how much centimeter of mercury, how much water? How much is a standard barometric pressure, how much centimeter of mercury, how much water?
Standard atmospheric pressure =760 mm Hg =76 cm Hg =1.013×105 Pascal =10.336 m H2O. Standard atmospheric pressure and its change - the standard atmospheric pressure value of the tensor is changed several times with the development of science and technology.
Standard atmospheric pressure =760 mm Hg =76 cm Hg =1.013×105 pascals =10.336 m H2O. Standard atmospheric pressure and its change - the standard atmospheric pressure value of the tensor is changed several times with the development of science and technology.
The standard atmospheric pressure =760 mm Hg =76 cm Hg =1.013×105 pascals =10.336 m H2O. The standard atmospheric pressure and its change - the standard atmospheric pressure value of the tensor are changed several times with the development of science and technology. The standard atmospheric pressure is initially set at 0°C,45° latitude and sunny sea level.
The mercury barometer measures atmospheric pressure at different heights... Urgent …… MEASUREMENT OF ATMOSPHERIC ATMOSPHERIC PRESSURE AT DIFFERENT HEIGHTS BY MEANS OF A SILVER BAROMETER 1. What is the change law of atmospheric pressure after careful analysis? 2. Since the atmospheric pressure at different heights is different, it gives us an inspiration: what can we convert the mercury barometer into?
1. What is the change law of atmospheric pressure after careful analysis?
Atmospheric pressure decreases with increasing altitude
2. Since the atmospheric pressure at different heights is different, it gives us an inspiration: what can we convert the mercury barometer into?
Altimeter
1. What is the change law of atmospheric pressure after careful analysis?
Atmospheric pressure decreases with height
2. Since the atmospheric pressure at different heights is different, it gives us an inspiration: what can we convert the mercury barometer into?
Altimeter
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- 12. A certain quality of air is enclosed in a U-shaped glass tube which is still placed in a vertical plane by mercury. The upper end of the right tube is open and long enough. The silver surface in the right tube is higher than that in the left tube by h. The reason why h becomes larger is () A. The ambient temperature rises B. The atmospheric pressure rises strongly by C. Mercury is added to the right tube along the tube wall. A certain mass of air is enclosed in a glass tube which is still placed in a vertical plane by mercury. The mercury surface in the tube is higher than that outside the tube by h. Which of the following measures can make h larger () A. Press the glass tube upward slightly b. Reduce the external atmospheric pressure c. Take the nozzle as the center, and rotate it slightly in the vertical plane by a small angle D. The whole device falls freely. .U-shaped glass tube free fall The U-shaped glass tube falls freely. This is option D of the first question.
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- 15. When using mercury for Torricelli experiments, the atmospheric pressure outside supports a column of mercury 0.76 m high. What is the minimum length of a glass tube for water? Please use the formula, I know the answer is 10.3m When using mercury for Torricelli experiments, the outside atmospheric pressure supports a column of mercury 0.76 m high. How long would it take to replace the glass tube with water? Please use the formula, I know the answer is 10.3m
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