What focal length is needed for objective lens
A grade school student plans to build a 38-power telescope as a science fair project. She starts with a magnifying glass with a focal length of 5.5cm as the eyepiece. What focal length is needed for her objective lens?
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Determine 1) the energy flow rate of the oil at the inlet; 2) the difference of energy flow rate between the outlet and inlet; 3) the overall efficiency of the motor-pump system?
What is the displacement current if the voltage is increased at a known rate? At what t will the leaking current equal the displacement current?
A power plant burns gas with HHV of 55,000 KJ/KG to generate electricity of 10 MW. If the overall efficiency is 40%, how much natural gas needs to be burned every day?
Determine the minimum bolt diameter required to support an applied load of P = 155 kN if a minimum factor of safety of 2.0 is required with respect to both bolt shear and plate bearing failure.
A solid cube of wood having dimensions of 0.5 m3 is floating in water with 0.3 m of its dimension above the surface. What is the specific weight of the wooden cube?
A steam power plant operates on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 8 MPa and 500 oC and leaves at 3 MPa. Steam is then reheated at constant pressure to 500 oC before it expands to 20 kPa in the low-pressure t
A 200-W vacuum cleaner is powered by an electric motor whose efficiency is 80%. (Note that the electric motor delivers 200 W of net mechanical power to the fan of the cleaners).
Derive an expression for the compressibility of air, represented by Tau, for 1: and Isothermal Process and 2: for an isentropic process.
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Discuss the nursing assessment priorities for a patient with EDS. What symptoms or complications should the nurse monitor closely, and why?
Problem: The cross-over concept changes through biochemical adaptations in muscles with the consistent aerobic training.
One important part of the plan is evaluating staffing and resource availability. During busy hours, additional staff may be needed in the fast-track area
Problem: To determine Bernadette's current fluid balance, we need to analyze her fluid intake and output.
The Sunshine Deficit Mary, an 82-year-old resident, rarely goes outside and has developed: Fragile skin Slow-healing wounds Her blood test shows
The following are signs and symptoms of an allergic reaction. Constriction of the airways, including wheezing and a swollen tongue or throat,
Hello, Informatics includes many areas that influence how nurses deliver safe and effective care, but three topics that especially interest me are electronic