Atwood machine problem (speed of mases after they have moved through 1.45 m)

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SUMMARY

The Atwood machine problem involves a 2.50 kg mass and a 7.00 kg mass connected by a light string over a pulley with a moment of inertia of 0.0652 kg m² and a radius of 11.3 cm. The objective is to determine the speed of the masses after they have moved 1.45 m, utilizing the principle of conservation of energy, which includes both translational and rotational kinetic energy. The initial and final energies must be calculated to find the solution, starting from the system being released from rest.

PREREQUISITES
  • Understanding of conservation of energy principles
  • Familiarity with translational and rotational kinetic energy equations
  • Knowledge of moment of inertia calculations
  • Basic mechanics of Atwood machines
NEXT STEPS
  • Study the conservation of energy in mechanical systems
  • Learn how to calculate translational and rotational kinetic energy
  • Explore the dynamics of Atwood machines in detail
  • Investigate the effects of pulley moment of inertia on system motion
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and energy conservation, as well as educators looking for practical examples of Atwood machines in problem-solving contexts.

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Homework Statement


An Atwood machine has a mas of 2.50 Kg connected by a light string to a mass of 7.00 Kg over a pulley with a moment of inertia of 0.0652 kg m^2 and a radius of 11.3 cm. If the system is released from rest, what is the speed of the masses after they have moved 1.45 m? (Hint use conservation of energy, including translational & rotational kinetic energy.


Homework Equations





The Attempt at a Solution


I set E(initial)=E(final)
 
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Show a picture of the set up. At what direction will the masses move after releasing them from rest? How do you calculate the initial and final energies?

ehild
 

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