# Solving a Problem: What Went Wrong & Velocity for Both Masses

In summary, the examiner provided a solution that switched the masses, but your work was correct. You also asked if the velocity is the same for both masses, and the answer is yes since they are connected. However, they move in different directions.
Homework Statement
As in the first provided picture:
Relevant Equations
Newton second law
This is the problem:

And this the answer provided by the examiner:

And this is my own answer:

So what did I get wrong???
Also I want to know if the Velocity is the same for both masses.

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• IMG_20230506_130351_883.jpg
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So what did I get wrong???
The diagram shows m_1 as the hanging mass, but the given solution switches that. Your work is fine.
Also I want to know if the Velocity is the same for both masses.
Sure---they are connected. (The speeds are the same, but they move in different directions, of course.)

Doc Al said:
The diagram shows m_1 as the hanging mass, but the given solution switches that. Your work is fine.

Sure---they are connected. (The speeds are the same, but they move in different directions, of course.)
Oh lord, he switched the masses

## 1. What is the first step in solving a problem?

The first step in solving a problem is to identify and understand the problem. This involves gathering all relevant information, defining the problem clearly, and determining the desired outcome.

## 2. How do I determine what went wrong in a problem?

To determine what went wrong in a problem, you should analyze the steps you took and compare them to the desired outcome. Look for any errors or mistakes that may have occurred and try to identify the root cause of the problem.

## 3. What is velocity and why is it important in problem solving?

Velocity is the rate of change of an object's position with respect to time. In problem solving, velocity helps us understand the speed and direction of movement towards a solution. It is important because it allows us to track progress and make adjustments if necessary.

## 4. How do I calculate velocity for both masses in a problem?

To calculate velocity for both masses in a problem, you will need to know the mass, acceleration, and time for each object. Use the formula v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time. Repeat this calculation for each mass to determine their respective velocities.

## 5. What should I do if I am stuck in solving a problem?

If you are stuck in solving a problem, try taking a step back and looking at the problem from a different perspective. You can also try breaking the problem down into smaller, more manageable parts or seeking help from others. Don't be afraid to try different approaches and be patient with the problem-solving process.

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