A 500 g steel block rotates on a steel table while attached to a 2.0-m- long massless rod. Compressed air fed through the rod is ejected from a nozzle on the back of the block, exerting a thrust force of 3.8 N. The nozzle is 70° from the radial line, as shown in (Figure 1). Figure Pivot- 2.0 m Rod 70° Air 1 of 1 > Part A What is the block's angular velocity after 10 rev? Express your answer to two significant figures and include the appropriate units. Submit Part B Value T= Submit Request Answer What is the tension in the rod after 10 rev? Express your answer to two significant figures and include the appropriate units. Value Request Answer Units < Return to Assignment Units ? Provide Feedback ?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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### Rotational Dynamics Problem

#### Problem Statement

A 500 g steel block rotates on a steel table while attached to a 2.0-m-long massless rod. Compressed air fed through the rod is ejected from a nozzle on the back of the block, exerting a thrust force of 3.8 N. The nozzle is 70° from the radial line, as shown in Figure 1.

#### Figure Description

**Figure 1**: A diagram illustrating the rotational setup is provided. It shows a steel block attached to a 2.0 m long rod pivoting around a fixed point. The rod is massless and the block is subjected to a force exerted by ejected air at an angle of 70° from the radial line. This force causes the block to rotate in a circular path.

#### Part A

**Question**: What is the block's angular velocity after 10 revolutions?

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

**Answer Format**:
```
ω = [ Value ] [ Units ]
```
[Submit Button] [Request Answer Button]

#### Part B

**Question**: What is the tension in the rod after 10 revolutions?

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

**Answer Format**:
```
T = [ Value ] [ Units ]
```
[Submit Button] [Request Answer Button]

[Return to Assignment] [Provide Feedback]
Transcribed Image Text:### Rotational Dynamics Problem #### Problem Statement A 500 g steel block rotates on a steel table while attached to a 2.0-m-long massless rod. Compressed air fed through the rod is ejected from a nozzle on the back of the block, exerting a thrust force of 3.8 N. The nozzle is 70° from the radial line, as shown in Figure 1. #### Figure Description **Figure 1**: A diagram illustrating the rotational setup is provided. It shows a steel block attached to a 2.0 m long rod pivoting around a fixed point. The rod is massless and the block is subjected to a force exerted by ejected air at an angle of 70° from the radial line. This force causes the block to rotate in a circular path. #### Part A **Question**: What is the block's angular velocity after 10 revolutions? *Instructions*: Express your answer to two significant figures and include the appropriate units. **Answer Format**: ``` ω = [ Value ] [ Units ] ``` [Submit Button] [Request Answer Button] #### Part B **Question**: What is the tension in the rod after 10 revolutions? *Instructions*: Express your answer to two significant figures and include the appropriate units. **Answer Format**: ``` T = [ Value ] [ Units ] ``` [Submit Button] [Request Answer Button] [Return to Assignment] [Provide Feedback]
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