Questions asked by Tete

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• A man weighing 100kg on the earth is found to weigh 101kg when on the space ship .What is the velocity of the space ship ?
  
• A rocketship 100m long on the earth is moving with 0.9c.How much it's length will appear to an observer on the earth?
  
• A rod 1m long moves with a velocity of 0.6c.Calculate it's length as it appears to an observer on the earth?
  
• Find the general and principal value of log(-1+I)-log(-1-i)?
  
• Express Log(Log(cosπ+isinπ)in the form of A+iB?