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In April 2010, the worst oil spill until that time occurred when an explosion and fire on the Deepwater Horizon left 11 workers dead and began releasing oil into the Gulf of Mexico. One of the attempts to contain the spill involved pumping drilling mud into the well to balance the pressure of escaping oil against a column of fluid (drilling mud) having a density significantly higher than that of seawater and oil. For purposes of the following problems, you may assume seawater has a specific gravity of 1.03 and that the well head was 5053 ft below the surface of the Gulf.
Estimate the gauge pressure (psig) in the Gulf at a depth of 5053 ft.
A 99 kg man lying on a surface of negligible friction shoves a 71 g stone away from himself, giving it a speed of 4.0 m/s. What speed does the man need as a result.
If the loop's diameter changes from 24.0cm to 5.8cm in 0.67s , what is the direction of the induced current, If the coil resistance is 2.6? , what is the average induced current
Consider an equilateral triangle 12cm on a side. If a charge of 6*10^-5 C is placed at each vertex, find the force on the top charge.
A 5.0micrometer strand of DNA carries +e charge per nm of length. Treating it as a charged line, what's the electric field strength 28 nanometer from the DNA, not near either end
A ball is thrown nearly vertically upward from a point near the edge of a tall building. it misses the edge of the building in ts way down and passes a point 160ft below its starting point 5 seconds after it leaves the thrower's hand.
A "spinout" type carnival ride has a diameter of 4.0-m and rotates 3.0 times every 5.0 seconds. Find the linear speed of the rider
You throw a 1kg ball out of a window 12 m above the ground. It lands 5 m from the building after 1 s. ignore air resistance, How fast was it traveling when it hit the ground
A 20kg box is on a level surface pressed against a spring compressed 25cm and with k=1000 k/m. How far does the box go up the hill
A pendulum has a time period of 5 sec at a particular place. calculate the acceleeration due to gravity at this place
A cart for hauling ore out of a gold mine has a mass of 445 kg, including its load. Find the work that the force of gravity performs on the cart
An Olympic skier moving at 20m/s down a 30o slope encounters a region of wet snow and slides 145 m before coming to a stop. What is the coefficient of friction between skis and snow if the combined mass of the skier and skis is 55 Kgm.
The mass of Venus is 0.8140 times that of earth, and its radius is 0.950 times that of earth. Calculate the acceleration of gravity at the surface of Venus
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