Physics Plz help me

posted by .

If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it?

t= light years

I got 2.4x10^8 light years but its wrong please help me out...thank you


Physics Plz help me - Anon, Monday, May 6, 2013 at 9:17pm
5.98x10^6

Thatz still wrong

  • Physics Plz help me -

    I am wondering what you used for the Hubble constant. Its value is not precise, and in fact, is hotly debated.

  • Physics Plz help me -

    ya Anon thanks but that is wrong too and bobpursley I am having a hard time figuring this out could you help plz.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. maths

    the galaxy we live in is roughly lens shaped,and pins.its diameter is given inlight years. (1 light year=9.5Exp12km) calculate the circuference or our galaxy in kilometres. the earth is at a point 3Exp4 light yaersfrom the centre.How …
  2. Stars and the Galaxies

    if alpha centauri were to all of a sudden disappear, we wouldn't knknow 4 another 4.3 years. How come?
  3. Astronomy

    The apparent brightness of a Cepheid variable star in a far-away galaxy is measured to be 640,000 times fainter compared to an equivalent star 2,000 light years away from the Sun in our Galaxy. Assuming that there is no light absorption …
  4. Physical Science

    Galaxy A is 600 million light years from earth. Galaxy B is moving away from the earth at a speed that is 80% as large as that of Galaxy A. How far from earth is Galaxy B?
  5. Calculus

    Astronomers have a mathematical model for the orbital speed of the stars as a function of their distance x from the center of the galaxy: V(x) = 350x/(1+(x^2))^(3/4) where x = 1 for 10,000 light years, x = 2 for 20,000 light years. …
  6. Physics

    Our Milky Way galaxy is very similar to our neighboring galaxy Andromeda. Consider that each galaxy contains approximately 4.0 x 10^11 stars each star having an average mass of 2.0 x 10^30 kg. a. If the gravitational pull of Andromeda …
  7. Physics Plz help me

    If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it?
  8. Physics Help me Someone plz

    If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it?
  9. Physics please help me out! thank you

    If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it?
  10. physics

    A particular spiral galaxy can be approximated by a thin disk-like volume 35 Thousand Light Years in radius and 8 Hundred Light Years thick. If this Galaxy contains 790 Billion stars, estimate the average distance between the stars …

More Similar Questions