Physics 271: Advanced Honors Physics I

Recitation #7

Fall 2017

71. Here we have three equations (one for each component of momentum, and one kinetic energy equation) and 9 quantities (6 speeds, three angles and 3 masses) of which we are given all but two. and we are solving for two quantities -- initial speed and final speed of the alpha particle. Use the two momentum equations to solve, and check that the results are consistent in the kinetic energy equation.

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