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where is the amount of spin transfer and I is the moment of inertia of the ball (2/5 mR2). From conservation of angular momentum, the amount of spin transferred to the OB is the same as the
 

Summary: where is the amount of spin transfer and I is the moment of inertia of the ball (2/5 mR2). From
conservation of angular momentum, the amount of spin transferred to the OB is the same as the
amount of spin lost by the CB.
3( )= IRFt
~
The tangential impulse, in addition to creating throw, transfers spin from the CB to the OB. From
angular impulse and momentum principles,
where is the throw angle.
2( )
( ) tan
2
1
tan
~~
mv
e
FF nt
+
==
Friction between the CB and OB during impact creates forces in the tangential direction also.

  

Source: Alciatore, David G. - Department of Mechanical Engineering, Colorado State University

 

Collections: Engineering