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The passive earth pressure occurs when when a wall or plane moves towards earth. This will create additional pressure where as in the case of active pressure wall moves away from earth and it will reduce the pressure on the wall. From the co-efficient of active earthpressure and passive earthpressure,i.e
Ka = 1-sin( phi)/1+sin( phi)
Kp = 1+sin( phi)/1-sin( phi where phi is the angle of internal friction of soil.
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How much atmospheric pressure is exerted on one square inch of earth?
14.7 pounds. Atmospheric pressure is 14.7 pounds per square inch Keep in mind that unless air is trapped you do not feel this as pressure is equalized
How many times greater is the mass of Earth than the mass of an electron?
The mass of the Earth is about 6x1024 kg The mass of an elecron is 9x10-31 kg Divide the first by the second to get the answer: The Earth is about 6.5x1054 times more massive. 6,500,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
What is 1543 copernicus's discovery led to greater understanding of the universe?
He said that sun was the center of the universe and that the earth and all the other planets orbit around it.
Which distance is greater The distance between the North and South poles The distance around the Tropic of Capricorn The distance around the Equator The distance around the Tropic of Cancer?
== == The perimeter of the equator is the greatest because the earth is a flattened sphere shape due to the influence of centrifugal force - a result of its rotation. The tropic of Cancer is slightly greater than the Tropic of Capricorn as there is a majority of continental land in the north. Land has a higher elevation than sea and to go around it you have to go to a higher elevation (radius) which means a greater perimeter. The north south distance is the least as it is a straight line.
Is the earth square?
No. The Earth is round!
