Recent content by Jainal

  1. J

    How does friction create spin in a tennis ball

    Homework Statement So I have to do a report about tennis and about the spin. I understand how the magnus effect works and how the ball will bounce but am still unable to figure out how the actual spin is created by the contact with the racquet and the moving ball Homework Equations T=Fr The...
  2. J

    How does the rotation of a diver in the air conserve angular momentum?

    Homework Statement I am doing a report or physics homework where I have to talk about the rotation of an Olympic high diver and am slightly confused as to how it all works. I have a few questions which would help clarify. 1) So I know that in the air, angular momentum is conserved as in the...
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