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A pump for a power plant takes in saturated water at 1.5 psi and boosts its pressure to 1500 psi. The pump has an adiabatic efficiency of 0.92, Calculate the irreversibility and the second law efficiency.
a hike walks 4.5km in one direction, then makes a 45 degree turn to the right and walks another 6.4km. What is the magnitude of her displacement
A heat engine with an efficiency of 35% performs 160j of work, how much heat is discharged to the lower temperature
Radio station WQED in Pittsburgh broadcasts at 89.3 MHz with a radiated power of 43.0 kW. What is the magnitude of the momentum of each photon?
Determine the location at which the tuning is formed and the vibrating frequency of a string to form a standing wave pattern.
q. having completed the basics of the memory system we turn not to issues involving memory. one important issue is the
A bimetalic strip consists of a thinstip of brass [Alphabrass=19X106(Co)-1] riveted to a thin strip of steel [Alphasteel=12X106(Co)-1]
Roughly 3.97 % of what you exhale is carbon dioxide. Assume that 22.4 L is the volume of 1 mole (6.02·1023 molecules) of carbon dioxide and that you exhale 0.539 L per breath. how many carbon dioxide molecules you breathe out each day
200 ml of coffee ( density = 1000kg/m^3 , specific heat 4186j/kg C ) is insulated in a mug at a temp of 85C. If 25ml of cream ( density of 1500 kg/ m^3 , specific heat 4500j / kg C at 10 C is added what will be the new temperature of the system?
Some object moves 100.0 m at an angle of 36° west of south. During this motion, a 92.0 N force acts on the same object, what is this force's orientation
A 4 kg mass is connected to a spring (k = 730 N/m) platform which undergoes simple harmonic motion in the vertical direction. The amplitude of the oscillation is 5 cm. At t=0 the box is 5 cm above the equilibrium position.
selzer estimates the total cost of servicing the warranties will be $120,000 for 2 years. Estimate revenues earned on basis of costs incurred an estimated costs.
A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. what was the original speed of the bullet
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