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Homework Help: Physics

Posted by Emma on Friday, November 18, 2011 at 3:06am.

Tom the cat is chasing Jerry the mouse across
a table surface 1.9 m off the floor. Jerry steps
out of the way at the last second, and Tom
slides off the edge of the table at a speed of
4.6 m/s.
Where will Tom strike the floor? The ac-
celeration of gravity is 9.8 m/s2 .
Answer in units of m

• Physics - drwls, Friday, November 18, 2011 at 7:30am

  Calculate how long (T) that it takes Tom to hit the ground. This depends only upon the height (H) and g, since the cat takes off horizontally.
  
  (1/2) g T^2 = H
  
  T = sqrt(2H/g)
  
  Then multiply T by the horizontal velocity component of Tom, which remains constant at 4.6 m/s.
  

• Physics - Kethe, Saturday, November 19, 2011 at 9:41pm

  Sq[2*1.9/9.8]=.62
  then,4.6*.62=2.9
  
  2.9 m is your answer.
  

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