PHI 205 Midterm: PHY 205 Princeton ExamExams
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Instructions: work the problems in the booklets provided with the exam. If you use more than one booklet, be sure to put your name on each one. 2: (35 pts) a plane pendulum con- sists of a bob of mass m1 suspended by a massless rigid rod of length l that is hinged to a sled of mass m2. The sled slides without friction on a horizontal rail. Gravity acts with acceleration g. g l m. Find expressions for the values of and x just after the impulse: consider a particle of mass m moving in a yukawa potential, i. e. , V (r) = k r e r: assuming the particle has angular momentum , nd an expression relating the radius, r0, for a circular orbit to . You do not need to solve this equation: find the frequency for small radial oscillations about r0.
