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Homework Help: Physics

Posted by John on Tuesday, January 17, 2012 at 9:02pm.

A man can throw a ball a maximum horizontal distance of 175 m. The acceleration of gravity is 9.8 m/s^2. How far can he throw the same ball vertically upward with the same initial speed?

• Physics - drwls, Tuesday, January 17, 2012 at 9:43pm

  The range of an object thrown at the optimum angle (45 degrees) is
  R = Vo^2/g.
  
  The highest altitude obtained by an object thrown vertically upward is
  H = Vo^2/(2g)
  
  So he can throw it up half as far, or
  175/2 = 87.5 m upwards.
  

• Physics - n/a, Saturday, October 13, 2012 at 1:45pm

  Thanks helped tons:)
  

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