Download A Guide to Physics Problems. Mechanics, Relativity, and by Sidney B. Cahn, Boris E. Nadgorny, C.N. Yang PDF

By Sidney B. Cahn, Boris E. Nadgorny, C.N. Yang

To be able to arm hopeful graduate scholars with the information essential to cross the qualifying exam, the authors have assembled and solved normal and unique difficulties from 4 significant American universities and Moscow Phys-Tech. quite a lot of fabric is roofed and comparisons are made among comparable difficulties of other faculties to supply the scholar with sufficient details to suppose cozy and assured on the examination.

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Additional resources for A Guide to Physics Problems. Mechanics, Relativity, and Electrodynamics

Example text

Develop Hamilton's equations for the motion. Combine the equations so as to produce one second order differential equation for as a function of time. f) If and independent of time, calculate the velocity (magnitude and direction). g) If at and calculate the maximum speed at later times. 25). 26 Mass Orbiting on Table (Stony Brook, Princeton, Maryland, Michigan) A particle of mass M is constrained to move on a horizontal plane. A second particle, of mass is constrained to a vertical line. 26). The motion is frictionless.

Find the expression for the apparent rotation and indicate the sign of the rotation with respect to the direction of motion of the cube and the line from the cube to the observer. 5 Relativistic Rocket (Rutgers) A rocket having initially a total mass ejects its fuel with constant velocity relative to its instantaneous rest frame. According to Newtonian mechanics, its velocity V , relative to the inertial frame in which it was originally at rest, is related to its mass M(V) by the formula a) Derive this result.

26). The motion is frictionless. 16 PROBLEMS a) Find the Lagrangian of the system and derive the equations of motion. b) Show that the orbit is stable with respect to small changes in the radius, and find the frequency of small oscillations. 27 Falling Chimney (Boston, Chicago) A tall, slender, cylindrical brick chimney of height L is slightly perturbed from its vertical equilibrium position so that it topples over, rotating rigidly around its base B until it breaks at a point P. Show that the most likely value for the distance of P from B is L/3.

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