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March 2, 2015

Homework Help: General Physics

Posted by Scott on Thursday, October 30, 2008 at 3:47pm.

A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. The helium nucleus is observed to rebound at an angle '2 = 45 from the neutron's initial direction. The neutron's initial speed is 6.6x10^5 m/s. Determine the angle at which the neutron rebounds, '1, measured from its initial direction.

___

What is the speed of the neutron after the collision?
___ m/s

What is the speed of the helium nucleus after the collision?
___ m/s

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