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  1. blue.flake

    Sound wave - frequency

    thank you so much ^_^
  2. blue.flake

    Sound wave - frequency

    thank you, but can you explain to me why exactly?
  3. blue.flake

    Sound wave - frequency

    Two identical tuning forks vibrate at 256 Hz. One of them is then loaded with a drop of wax, after which 6 beats/s are heard. The period of the loaded tuning fork is? So, as the uploaded pictures shows, I did solve the problem, but I'm not sure why the f1 frequency is bigger than f2. I mean how...
  4. blue.flake

    Earth stops moving how long before it hits the sun?

    Yes because it only falls to the Sun, it doesn't go back. :D
  5. blue.flake

    Earth stops moving how long before it hits the sun?

    ooooh it's r/2 or 1,496*10^11 m divided by 2
  6. blue.flake

    Earth stops moving how long before it hits the sun?

    so a =r? but then I did it right or?
  7. blue.flake

    Earth stops moving how long before it hits the sun?

    Is my way the right creative way? :D
  8. blue.flake

    Earth stops moving how long before it hits the sun?

    Well honestly I'm completely lost, and at this point totally desperate. I'm really not sure what to do. This is how I done it, but I'm not even sure it's the right way to go
  9. blue.flake

    Earth stops moving how long before it hits the sun?

    Well my biggest problem is I get to a point where I have T= √4Π ⋅ (r/2)3 / G ⋅ Ms and then it seems I should divide T with two, which I don't understand why. Also in this step i don't understand why it's r/2 and not r
  10. blue.flake

    Earth stops moving how long before it hits the sun?

    Homework Statement So, if the Earth stopped moving(supposing Earth's orbit is a circle) how much time would it have to pass before it hit the Sun? Homework Equations I've tried with Kepler, and Newton's derivations of Kepler's 3th law The Attempt at a Solution Well I'm pretty sure you need to...
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