Find out the focal length of the objective
A pirate sights a distant ship with a spyglass that gives an angular magnification of 24. If the focal length of the eyepiece is 14 , what is the focal length of the objective?
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You are estimating the manufacturing hours for an airframe based on the airframe weight. The airframe you are estimating weighs 141784 pounds. Given the following equation, select the correct response from each pair.
Suppose a small coil (808 turns, radius of 0.00847m and resistence 1.62 ohms) is placed at the center of the soleniod, it's axis paralell to the axis of the soleniod. Find the rms current induced in the small coil.
Derive an expression for the temperature distribution in the portion of the steel strip with the plastic film (-w1/2 < x < +w1/2).
A class room that normally contains 40 people is to be air conditioned with window air conditioning units of 5 -kW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360 kJ/h.
Calculate the engineering strain and the true strain for both steps compare them, and comment on your observations.
At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 516.6 nm? At what angle will the second order peak occur?
A solar hot water heater raises the temperature of 200 liters of water from 27 to 47 degrees C. Suppose a heat engine with 40 percent of the efficiency of a Carnot engine had absorbed the same amount of heat at 600K and rejected waste heat at 300K
Solve the following system of linear equations using the inverse with a matrix equation method.
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