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A 150-kg spherical steel buoy 900 mm in diameter is to be anchored in salt water 15 m below the surface. Find the mass m of scrap iron to be sealed inside the buoy in order that the tension in the anchor cable where it attaches to the buoy will not exceed 1.5 kN.
For negligible change in water density, does the buoyancy depend on the depth of submergence?
a heavy inverted cylinder of length l and radius r is initially held above the surface of the ocean density of sea
A 1-kg copper block at the initial temperature of 527 degrees C has been placed inside a perfectly insulated vessel containing 10 kg of water at the initial temperature of 27degrees C. The final temperature of the copper block is measured after the s..
A viscous fluid flows under its own weight between two very wide, stationary, flat plates inclined at an angle theta to the horizontal. Develop an expression for the velocity profile of the fluid assuming fully developed steady, laminar flow
The microstructure of a copper-silver alloy at 775°C (1425°F) consists of primary and eutectic structures. If the mass fractions of these two micro constituents are 0.75 and 0.25, respectively, determine the composition of the alloy (expressed in wt...
a pressure transducer behaves as a second-order system. if the undamped natural frequency is 10 khz and the damping is
if the 50 kg. crate starts from rest and attains a speed of 6ms when it has traveled a distance of 15m. determine the
a non-ideal brayton cycle with regeneration operates with incoming air at 22c and 0.1mpa. the compression ratio is 121
1. the initial state of one mole of a monatomic ideal gas is p10 atm and t300k. calculate the change in the entropy of
steam exits a turbine with a mass flow rate of 2x105 kgh at a pressure of 0.008 mpa quality of 94 and velocity of 70
a spherical hot-air balloon is initially filled with air at 120 kpa and 35oc with an initial diameter of 3 m. air
feed at 10 ccelsius containing 20 solids enters an evaporator operating at 90 ccelsius. saturated steam90 quality
structure of body- centered cubic bcc crystal.a. the body-center atom in a conventional bcc unit cell has
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