Physics-
General
Easy

Question

In the arrangement as shown below the strings P, Q are being pulled downward with a speed ' V ' each. If the pulleys are fixed, the mass M moves upward with a velocity of

  1. V c o s invisible function application theta    
  2. fraction numerator V over denominator c o s invisible function application theta end fraction    
  3. 2 text end text V c o s invisible function application theta    
  4. fraction numerator 2 text end text V over denominator c o s invisible function application theta end fraction    

The correct answer is: V c o s invisible function application theta

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