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anonymous
 5 years ago
A 42 ball is fired horizontally with initial speed toward a 100 ball that is hanging motionless from a 1.1 long string. The balls undergo a headon, perfectly elastic collision, after which the 100 ball swings out to a maximum angle = 52.
anonymous
 5 years ago
A 42 ball is fired horizontally with initial speed toward a 100 ball that is hanging motionless from a 1.1 long string. The balls undergo a headon, perfectly elastic collision, after which the 100 ball swings out to a maximum angle = 52.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[KE_0+PE_0=KE_f+PE_f\] \[h = l(lcos(52)) \] \[(1/2)m_bv_0^2+0 = mgh \rightarrow mg(llcos(52))+(1/2)m_bv_f^2\] find vf or \[KE_0+KE_{angular_0} = KE_f+KE_{angilar_{final}}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[KE_{angular} = (1/2)I\omega^2\] \[I_{sphere} = (2/5)mr^2\]
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