A system of two masses, a spring and a pulley are at rest at the instant represented
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Question:
A system of two masses, a spring and a pulley are at rest at the instant represented in the figure. At that very moment, the spring is totally relaxed. The pulley has a negligible mass, the mass m has a value of 0.770 kg, and the spring constant is k = 30.0 N / m.
(a) Imagine that the system is released from the situation represented in the figure and therefore the mass 2m begins to descend. For what value of y is the instantaneous speed of the masses zero?
(b) Derive an expression for the instantaneous speed as a function of y
(c) For what value of y does the system move with its maximum speed?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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