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UrgentAndrey

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  1. Please any help would be great, the last two questions are really giving me trouble
  2. I have been posed the following question (see attachment), I believe I have correctly answered the first three questions however am struggling with the last two. Could someone help me, this is a very new topic to me. Thank You
  3. I have been given the following problem (see attached). I believe I have almost solved it but for the final part. Please any suggestions would be fantastic
  4. So using the link you gave me, is this correct? V^mu . V_mu = 1
  5. Sorry thought I wrote that Yes I think so (contravarient and covarient) , all I have is the information I've put so far. I'm unsure as to my next step?
  6. Well according to ajb it looks as if I have to find the scalar product in 2d, given the information attached to my first post. However that is as far as I can get. What I meant in the previous can be seen in the attachment.
  7. Hi ajb, So using the information I have, how can I obtain a value for V^mu ?? Is there something simple I'm missing? It simply isn't a case of: V^ mu = V^nu is it? In which case V^mu = (3,1)
  8. Hello everyone, Great forum, wondering if you can help me with a problem. Ive attached the question along with my calculations so far. Any help would be fantastic
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