Physics-
General
Easy

Question

A particle is projected at an angle of 45° with the horizontal with a speed u in a uniform gravitational field, as shown in the figure. The instantaneous angular speed of the particle w.r.t point of projection at the moment it falls at the same horizontal level equals

  1. fraction numerator square root of 2 g over denominator u end fraction    
  2. fraction numerator g over denominator square root of 2 u end fraction    
  3. fraction numerator g over denominator 2 square root of 2 u end fraction    
  4. none of the above    

The correct answer is: fraction numerator g over denominator square root of 2 u end fraction

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