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A homogeneous solid sphere of radius r is resting on the bottom of a tank containing a liquid of density pl, which is greater than the density ps of the sphere. As the tank is filled, a depth h is reached at which the sphere begins to float. Determine the expression for the density ps of the sphere.
a pan of negligible mass is attached to two identical springs of stiffness k 250 nm. if a 10-kg box is dropped from a
a tank is fitted with an electrical resistor holds 2 kg of nitrogen n2 initially at 27 degree c 100 kpa. over a period
A refrigeration cycle operating between two reservoirs receives energy QC from a cold reservoir at TC = 280 K and rejects energy QH to a hot reservoir TH = 330 K. For each of the following cases determine whether the cycle operates reversibly, irreve..
r-410a at 120c 4 mpa is in an insulated tank and flow is now allowed out to a turbine with a backup pressure of 800
A solid round steel shaft, having an outside dameter of 2.002 in., is press or force fitted into the 2.000 in, hole in a gear. The force required to press the two machine parts together is 18,000 lb. What is the diameter of the solid steel shaft duri..
the rigid body shown above is made of a solid truncated cone and solid hemisphere joined together at the bases of the
A collar B of weght W can move freely along thevertical rod. The constant of the spring is k and the spring is unstretched when theta=0. Derive an equation in W thrta k and l that must be satisfied when h collar is in equilibrium.
question 1 briefly describe the meaning of the term mechatronics both in terms of the systems approach and the
2 kg of saturated water vapor at 600 kpa are contained in a piston-cylinder device. the water expands adiabatically
a door 1 m wide and 1.5 m high is located in a plane vertical wall of a water tank. the door is hinged along the upper
Decorative water fountains consist of a water reservoir and underground piping to and from a pump. One such system is shown schematically in the figure. The pipe material is PVC(a table is provided). The outlet line from the pump is 18 m and the inle..
a natural gas-fired furnace in a textile plant is used to provide steam at 130 c. at times of high demand the furnace
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