What focal length eyepiece should astronomer use
A telescope consists of a mirror with radius of curvature 4.5 m and an eyepiece. If an astronomer would like the telescope to have a magnification of 181, what focal length eyepiece should he use?
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Light of wavelength 696 nm is incident on a single slit. The central bright fringe is 2.63 cm wide on a flat screen that is 87.3 cm from the slit. What would be the width of the central bright fringe if the wavelength were 461 nm?
A globular cluster at its farthest point from the galactic center is at a distance of 104 pc. What is its period of galactic revolution?
The surface area of the tubes is 45 m2 and the overall heat transfer coefficient is 2100 W/m2-K. Calculate the mass flow rate of cooling water needed and the rate of steam condensenation in the condenser.
The lens of a slide projector with a focal length of a 120 mm projects a slide onto a screen that is 13 m away. How far from the lens must the slide be placed to form a sharp image on the screen? (in cm)
Given the answer to part (a) and the data below at 298.15 K, assuming the reaction enthalpy is constant over this temperature range, calculate delta G for this reaction at 400 K.
A proportional control system is to be used to control the wing flaps of a jet airplane. The wind load is expected to cause as much as 600 in · lb of torque. The system should be able to keep the flaps to within 5° of the set point. Fin
Calculate the change in Entropy, Enthalpy, and Gibbs Energy due to mixing when 35 moles of He gas, 15 moles of Ne gas and 50 moles of N2 are mixed at a constant pressure of 1.00 atm.
The two spaceships are traveling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to have the same length. If the slower spaceship is moving with a speed of 0.500c, determine the speed of th
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Question: What is a key difference between Herzberg's motivator-hygiene theory and other content theories?
You have been asked to explain two newborn assessment scales to a group of middle school students who are interested in becoming nurses.
Personal power is: (select all that apply) the use of our energy to influence the quality of life for ourselves and others.
Human services professionals might assist during pretrial by assessing a justice-involved individual's situation and recommending rehabilitation
Show it in my post "Discussion Question: "In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive beh
In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive behaviors, and how can this understanding
A forensic analyst is told by detectives that the suspect is 'definitely guilty.' The analyst then focuses only on searching for files that support this theory