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

In summary, an Atwood machine with a mass 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 will have a speed of the masses after moving 1.45 m. Conservation of energy, including translational and rotational kinetic energy, can be used to calculate the initial and final energies. The direction of movement after releasing the masses is not specified.
  • #1
a.train12
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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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  • #2
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
 

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

1. What is an Atwood machine problem?

An Atwood machine problem is a physics problem that involves a pulley system with two masses connected by a string. The problem typically involves determining the speed or acceleration of the masses as they move through a given distance.

2. What is the equation for calculating the speed of the masses in an Atwood machine problem?

The equation for calculating the speed of the masses in an Atwood machine problem is v = √(2gh), where v is the speed, g is the acceleration due to gravity, and h is the distance the masses have moved through.

3. How do you solve an Atwood machine problem?

To solve an Atwood machine problem, you first need to draw a diagram of the system and label all the given values. Then, you can use the equation v = √(2gh) to calculate the speed of the masses after they have moved through a given distance. Be sure to pay attention to the direction of the masses and the pulley when calculating the speed.

4. What factors affect the speed of the masses in an Atwood machine problem?

The speed of the masses in an Atwood machine problem is affected by the mass of the objects, the distance they have moved through, and the acceleration due to gravity. The mass ratio between the two objects and the direction of the pulley can also affect the speed.

5. How does the speed of the masses change if the distance they move through is increased?

If the distance the masses move through is increased, the speed of the masses will also increase. This is because the equation v = √(2gh) shows that the speed is directly proportional to the distance. Therefore, as the distance increases, the speed will also increase.

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