A 2 kg mass dropped 20 m above a spring with a spring
A 2 kg mass dropped 2.0 m above a spring with a spring constant of 40.0 N/m. How much does the spring compress? Use g = 10 m/s^2
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The storativity of the Jordan Aquifer (a regional confined aquifer) is 5 x 10-4 and the porosity is 0.3. The thickness of the aquifer is 200 ft. If the head in the Jordan has been pumped down by 100 ft in recent times
A securities analyst claims that, given a specific list of 6 common stocks, it is possible to predict, in the correct order, the 3 that wil perform best during the coming year. What is the probability of making the correct selection by chance?
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
A research submarine has a 10-cm-diameter window that is 8.7cm thick. What is the submarine's maximum safe depth in salt water
A 2 kg mass dropped 2.0 m above a spring with a spring constant of 40.0 N/m. How much does the spring compress
To avoid the salinization of soil in a farming area, parallel drainage canals are to be installed to maintain the water table at a depth of at least 4m below the ground surface. It is thought that no evapo-transpiration would occur below that dept
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. What is its terminal velocity
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section is 5.00 m/s. What is the pressure in the narrow section of the pipe
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