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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 move off at an angle of 45°. The neutrons initial speed is 5.1×105 m/s.
(a) Determine the speeds of the two particles, vn and vHe, after the collision.
(b) Determine the angle of the neutron after the collision.
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Based on our data, we think this problem is relevant for Professor Chow's class at UCF.