An astronomer wishes to construct a telescope

Assignment Help Physics
Reference no: EM13843707

An astronomer wishes to construct a telescope that will brighten point scourses by a factor of 16,900 times. If the human eye has an average diameter of about 0.5 cm what diameter should the telescope's primary lens/mirror be?

 

 

Reference no: EM13843707

Questions Cloud

Inventory in the blending department : The $32,800 beginning inventory in the Blending Department consisted of the following elements: materials, 8,000, direct labor, $4,000, and overhead applied, $20,800.
Water drips from a shower head : Water drips from a shower head (the sprayer at the top of the shower) and falls onto the floor2.2m below. The droplets are falling at regular intervals (equal amounts of time between drops), with the first drop hitting the floor at the instant that t..
Explain the seasonal precipitation pattern at manila : 3. Explain the seasonal precipitation pattern at Manila in terms of pressure and wind systems.  What causes the summer rains? What causes the winter dry season? 4.Why do you think May is slightly warmer than June, July, or August?
What is the main issue of the given case : What is the main issue of the case? What factors should be taken into consideration while developing a strategy? What are at least two alternative suggestions? Discuss pros and cons of each suggestion.
An astronomer wishes to construct a telescope : An astronomer wishes to construct a telescope that will brighten point scourses by a factor of 16,900 times. If the human eye has an average diameter of about 0.5 cm what diameter should the telescope's primary lens/mirror be?
An 11.3 g bullet leaves the muzzle of a riflewith : An 11.3 g bullet leaves the muzzle of a riflewith a speed of 570.5 m/s.What constant force is exerted on the bulletwhile it is traveling down the 0.9 m length ofthe barrel of the rifle?Answer in units of N.
Derive the planners efficient solution : Why do we expect that ∂g/∂x1 > 0. Explain in words and using the parents' FOC from the notes and derive the planner's efficient solution to the allocation of x2 and x3. Is the allocation the same as the one that results from the family's three stage ..
Current and direct current induction motors : What is the difference between alternating current and direct current induction motors?  Which motor do you think would be best to use on large pieces of equipment?  Explain your choice.
What is the voltage across the 67-? resistor : An86-Ω resistor and a 67-Ω resistor are connected in series across a battery. The voltageacross the 86-Ω resistor is 27 V. What is the voltage across the 67-Ω resistor?

Reviews

Write a Review

Physics Questions & Answers

  A 470 g golf ball is driven from the tee with an initial

a 47.0 g golf ball is driven from the tee with an initial speed of 52.0 ms and rises to a height of 25.2 m.a neglect

  If 60 of us petroleum use goes for transportation and 1 of

if 60 of u.s. petroleum use goes for transportation and 1 of this goes for buses how much oil could be saved per year

  Calculate what is the force constant of this spring

To stretch a certain spring by 2.20 from its equilibrium position requires 7.00 of work. What is the force constant of this spring

  Find the minimum number of slits this grating must have

A grating spectrometer is used to resolve third order peaks from two wavelengths of ?1 = 455.00 nm, What is the minimum number of slits this grating must have

  What fact does this problem emphasize

What would the probable percent error inn1/n2 then be and what would the probable percent error be if the number of turns were 1.00±.01?

  Find the value of brewsters angle

A light beam is incident on a piece of zircon (n = 1.923) at the Brewster's angle. Find the value of Brewster's angle

  Evaluate what is the direction of the minimal velocity

An electron moves in a uniform, horizontal 2.10-T magnetic field that is toward the west. Evaluate what is the direction of the minimal velocity

  When a 420 gram mass is attached to a spring it oscillates

when a 420 gram mass is attached to a spring it oscillates with a period of 0.350 s. if instead a different mass m2 is

  What is the number of turns per meter of length of solenoid

The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole human bodies has a field strength of 7.33 T, and the current in the solenoid is 2.20 x 102 A. What is the number of turns per ..

  Two boats start together and race across a 46 km-wide lake

A flight attendant pulls her 71 N flight bag a distance of 322 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 53° above the horizontal.

  The same voltage is applied between the plates of two

the same voltage is applied between the plates of two different capacitors. when used with capacitor a this voltage

  What is the normal force on the mower

A man pushes a 37 kg lawn mower using a handle inclined 30.0 degrees from the horizontal. He pushes with 80 N directed along the handle.  What's the normal force on the mower

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd