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A submarine dives to a depth of 293 feet in the ocean. What is the force (in pounds) acting on a hatch that has an area of 3 square feet?
WARNING: Do not use the information associated with any Figures in the chapter (round off errors). Do not consider atmospheric pressure in your calculation (the pressure inside of the submarine is maintained at 1 atmosphere, which offsets the 1 atmosphere of pressure that normally would be added to the gauge pressure). Do use the weight density form of the fluid pressure equation in order to work the problem in English units. This is a multi-step problem
uniform thin rod of length L=2.5 m and mass 2 kg can rotate in a horizontal plane about a vertical axis through its center. what is the angular velocity of the rod immediately after the collision
A person pulls a toboggan for a distance of 32.7 m along the snowwith a rope directed 24.9 ° above the snow. The tension in therope is 91.6 N. (a) How much work is done on thetoboggan by the tension force? (b) How much workis done if the same tension..
A box is sliding with a speed of 4.50 m/s on ahorizontal surface when, at point P, it encounters a roughsection. What is the coefficient of friction at the stopping point
A box of mass 32 kg is at rest on a horizontal frictionless surface. A constant horizontal force then acts on the box, and accelerates it to the right. It is observed that it takes the box 6.5 seconds to travel 48 meters. What is the magnitude of for..
A uniform 3.0-m plank weighing 150 N is suspended by vertical ropes at either end. determine the tension in the rope holding the left end of the plank
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
By plucking the wire they can tell that the resulting wave takes .5s to travel the length. The wire has a mass of 100g. What is the gravity?
suppose the resistance between the hands is due entirely to the skin. what is the resistivity of skin
A truck covers 43.9 m in 7.3 s while smoothly slowing down to a final speed of 2.6 m/s. Find its original speed.
Transmission electron microscopes that use high-energy electrons are employed in many areas including the study of biology samples (like a virus) and nanoscience research and development (allow particles and carbon nanotubes, for example).
a cylinder with initial volume v contains a sample of gas at pressure p. on one end of the cylinder a piston is let
A165-g wooden cup at 15.2 degree Celcius is filled with 325ml of brewed coffee (essentially water) at 100 decrees Celcius. What will be the common final temperature of the cup
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