Escape from a damaged submarine
Crew members attempt to escape from a damaged submarine 70 m below the surface. What force must they apply to a pop-out hatch, which is1.0 m by 0.70 m, to push it out at that depth? Assume that the density of the ocean water is 1025 kg/m3.
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To a man walking with a speed of 2 m/s, the rain appears to fall vertically. If the velocity of rain is 4 m/s, calculate its direction with respect to the direction of man's velocity.
In testing the difference between the means of two normally distributed populations using large independent random samples, the alternative hypothesis indicates no differences between the two specified means.
Compute the equations of streamlines that pass through (x,y)= (0,0), (2,2), (-1,-1) and (0,2). Plot these streamlines over -3 < x < +3. Plot several selected velocity vectors to clearly show the flow behavior.
Air in a cylinder is compressed reversibly and isothermally from 95 kPa, 25 o C to 290 kPa. The initial volume is 0.162 m3. Determine the work input, the heat transfer, and the entropy change of the air being compressed.
A simple open U-tube contains mercury. When 5.9 cm of water is poured into the right arm of the tube, how high above its initial level does the mercury rise in the left arm?
When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes are observed, Find the wavelength of the light used. Please explain step by step.
Three liquids that will not mix are poured into a cylindrical container. The volumes and densities of the liquids are 0.45 L, 2.6 g/cm3; 0.30 L, 1.0 g/cm3; and 0.40 L, 0.95 g/cm3. What is the force on the bottom of the container due to these liquid
For a sample of readers, she collected the sample information in the following table. Indicate your hypotheses, your decision rule, your statistical and managerial conclusion/decisions. At ? =.05 are type of community and first section of newspape
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The Deaf President Now protest happened at Gallaudet University when a hearing candidate was chosen to be the president instead of a Deaf candidate.
Explain how federal employees are limited in their political activities. What acts limit political activity for federal employees
Look up the racial/ethnic demographics of the community you live in. I found mine on Wikipedia. Now look up the racial/ethnic demographics
The U.S.-Egypt relationship has long reflected a delicate balance between strategic interests and ethical considerations.
The U.S. response to Syria's civil war evolved significantly between 2011-2021. Initially focused on diplomatic pressure and humanitarian aid under Obama
The 2017-2021 "maximum pressure" campaign against Iran represented a significant shift in U.S. strategy. After withdrawing from the JCPOA in 2018
What is the first activity that How Acquisition workforce personnel conduct to identify and establish new international cooperative programs (cop)