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*Today we are going to come up with new task, that is about ”Problem 12.8 2 of 6 A 150 g ball and a 250 g ball are connected by a 38-cm- long, massless, rigid rod. The balls ro…“. We have found the solution to this question, along with interesting information related to it, thanks to its novelty and interest. This will help you to develop a more research-oriented mindset, and make it easier for you to answer these types of questions. This is where we will focus to gain this useful and new knowledge!*

## Question: “Problem 12.8 2 of 6 A 150 g ball and a 250 g ball are connected by a 38-cm- long, massless, rigid rod. The balls ro…”

A 150 g ball and a 250g ball are connected by a 38-cm long, massless, rigid rod. The balls rotate about their center of mass at 120 rpm.

**Part A**

*What is the speed of the 150 g ball?*

Express your answer to two significant figures and include the appropriate units.

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## Answer: “Problem 12.8 2 of 6 A 150 g ball and a 250 g ball are connected by a 38-cm- long, massless, rigid rod. The balls ro…”

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## Relevant knowledge

An angular speed can be measured in radians per sec and can be calculated by knowing both the linear velocity (or speed of an object) and the radius of curvature. You can also determine the radius of curvature and the angular speed to define the linear velocity.

## Conclusion

This is how you solve this type of task “Problem 12.8 2 of 6 A 150 g ball and a 250 g ball are connected by a 38-cm- long, massless, rigid rod. The balls ro…”. Please leave a message below if you have any questions or comments.

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