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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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni