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 0,=45°. The neutron's initial speed is 6.0x105 m/s . Determine the speeds of the two particles, vh and ve, after the collision. Express your answers using two significant figures. Enter your answers numerically separated by a comma. να ΑΣφ va, víc = m/s Submit Previous Answers Request Answer

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