What is the height of the lighthouse above sea level

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1.a soil has a moist bulk density of 1950 kg/m^3, a dry bulk density of 1750 kg/m^3 and a solids mass density of 2650 kg/m^3.determine the saturation ratio

2.A well is located in a confined aquifer. the transmissivity of the aquifer is 1200 m^2/d and the storativity is 0.0005. the flow rate is 4000 m^3/d. At a distance 75m from the well, determine the drawdown after 2 days of puming

3.An observer standing on a beach can just see the top of a lighthouse 15 miles away. The eye height of the observer abouve sea level is 5.7 feet. what is the height of the lighthouse above sea level? Show your work.

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