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A jet of water of cross-section A and density ρ moves horizontally at inertial speed v0 and hits a block of mass M, which is connected to a wall with a spring of constant k, as in Figure 6.41. Assume that the collision is inelastic (i.e., the water leaves with a zero horizontal component of velocity relative to the block) and that the spring is initially at its rest length l0. Find the final length of the spring.
Periodical maintenance is expected every 120 uses at a cost of 5% of the purchase cost. -Consider an annual interest rate of 4%. - What is the expected average material cost per sffor each use?
Low Ball Construction Co. has determined that the heaviest load to be lifted on one of their projects weighs 22,000 lb. - can the crane safely make the pick?
an ideal reheat rankine cycle with water as the working fluid operates the inlet of the high-pressure turbine at 8000
What is a compression member - What is the radius of gyration and what is the slenderness ratio and its importance in column issues?
the stators in a gas turbine are designed to increase the kinetic energy of the gas passing through them adiabatically.
Consider the following types of level sensors, and briefly explain the principle of operation of each type in level sensing. Also, what are the limitations of each type?
a 2 mm diameter spherical air bubble is suspended in an insulating fluid . with a focused laser the bubble is heated so
A tidal estuary is dominated by the semidiurnal lunar tide, with a period of 12.42 h. If a 1500 model of the e estuary is tested, what should be the model tidal period?
calculate the overall efficiency the heat rate mw and the total fuel rate kgs of a combined-cycle power plant 1 if no
Mention the main design measures as to enhance the energy performance of the hotel in Pilio. Why do you think most responsibilities remain with the Client under CDM regulations
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
10 kg of air in a piston-cylinder initially at 0.5 Mpa, 227 Celsius, undergoes two processes in series. constant temperature expansion to triple the volume. constant volume heating to the initial p = 0.5 MPa.
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