Magnitude of the faintest star

Assignment Help Physics
Reference no: EM131436303

Suppose the faintest star you can see with a 4-inch telescope has a magnitude of+8.0. What is the magnitude of the faintest star you could see (under the same conditions) with a 20-inch telescope?

Reference no: EM131436303

Questions Cloud

Preceding question for when the train is rounding a corner : If you toss a coin straight upward while riding in a train, where does the coin land when the motion of the train is uniform along a straight-line track? When the train slows while the coin is in the air? Discuss and answer the preceding question ..
What is cash generated for juno plc : The following information has been taken from the financial statements of Juno plc for last year and the year before last
Find the internal resistance of the battery : The emf of a battery is E = 10 V . When thebattery delivers a current of 0.4 A to a load,the potential difference between the terminalsof the battery is 8 V volts. Find the internal resistance of the battery. Answer in units of ?
Frequency of the oscillation : A mass m is attached to a spring of constant k and hung from the ceiling. If the mass is held at rest while the spring is relaxed and then dropped, how far below the initial position is the mass when it first comes to rest again? ω=pk/m is the fre..
Magnitude of the faintest star : Suppose the faintest star you can see with a 4-inch telescope has a magnitude of+8.0. What is the magnitude of the faintest star you could see (under the same conditions) with a 20-inch telescope?
Discuss either an observable and hidden quality costs : Identify and discuss either an observable and hidden quality costs. Discussion Question responses must meet the following criteria 300-400 word count, excluding citations and references.
Describing vibration motion : 1. Is this true or false please explain in paragraph form. The four equations of kinematics are not useful in describing vibration motion. 2. Is this true or false please explain in paragraph form. A vibrating system has maximum total energy when..
Suggest that the true proportion of chest hits is greater : Is there any evidence to suggest that the true proportion of chest hits is greater in Lancashire than in West Mercia? Use a = 0.01.
Where do you see people beginning to look to other sources : In the readings this semester, where do you see people beginning to look to other sources than an authority from the past; beginning to experience and expect more and more change in their lives.

Reviews

Write a Review

Physics Questions & Answers

  How much current they pro vide

Batteries are always labeled with their emf; for instance, an AA flashlight battery is labeled 1.5 volts. Would it also be appropriate to put a label on batteries stating how much current they pro vide? Why or why not?

  Evaluate the magnitude of the apparent weight

Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?

  How much heat is required to convert

A)How much heat is required to convert 14.0 g of ice at -12.5oC to steam at 100.0oC ? Express your answer in joules.

  Find how far has the spring compressed by the time

A block of mass m = 1.00 kg slides along a horizontal table with speed v0 = 2.50 m/s. How far has the spring compressed by the time the block first momentarily comes to rest

  What is the radius of the droplet

An oil droplet with 15.0 excess electrons is observed between two parallel electrodes spaced 14.0mm apart. What is the radius of the droplet

  Find diameter of second bright ring in interference pattern

An inside corner of a cube is lined with mirrors to make a corner reflector. A ray of light is reflected successively from each of the three mutually perpendicular mirrors. Show that its final direction is always eactly opposite to its initial dir..

  How do the maximum speeds of the two objects compare

Object A is attached to ideal spring A and is moving in simple harmonic motion. Object B is attached to ideal spring B and is moving in simple harmonic motion. The period and the amplitude of object B are both two times the corresponding values fo..

  Find the largest angle slope on which you can park your van

Your van is parked on a steep hill with a 12o slope with the van held in place by the parking brake. The coefficient of static friction between your van's tires and the road when wet is 0.25. Find the largest angle slope on which you can park your ..

  How many ties does each tire rotate

A car with 52cm -diameter tires accelerates uniformly from rest to 20m/s in 10s. How many ties does each tire rotate

  What is the signal

a detector has a sensitivity of 10^6 V/W and a NEP* = 10^-10 W/Hz^1/2. Light of 1E-6 W power is measured with the detector, what is the signal

  What is the speed of block a after collision

Block A has a mass of 3kg and velocity of 13m/s. catching up with a second block B that has a mass of 3kg ans is moving with 5m/s in the same direction. They suffer an elastic collision and block B is now moving with 8m/s. What is the speed of blo..

  What are the two lowest frequencies that reverberate

As you sing in the shower, you notice that certain frequencies reverberate with setting up standing waves. If the shower is 5.8 feet long and the speed of sound is 1000 ft/sec, what are the two lowest frequencies that reverberate so?

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