An old-fashioned LP record rotates at 33½ rpm. Part A 2 What is its frequency in rev/s? Express your answer in revolutions per second.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter8: Rotational Equilibrium And Dynamics
Section: Chapter Questions
Problem 84AP: A light rod of length 2L is free to rotate in a vertical plane about a frictionless pivot through...
icon
Related questions
Question
**Rotational Motion of an LP Record**

**Part A: Calculating the Frequency of Rotation**

---

**Problem Statement:**

An old-fashioned LP record rotates at 33 1/3 rpm.

**Question:**

What is its frequency in rev/s?

Express your answer in revolutions per second.

---

**Explanation:**

The problem involves calculating the rotational frequency of an LP record given its rotational speed in revolutions per minute (rpm). The frequency is denoted in rev/s.

**Steps to Solve:**

1. **Identify the given value:**
   - Rotational speed (ω): 33 1/3 rpm

2. **Convert rpm to rev/s:**
   - 1 rpm = 1/60 rev/s

3. **Apply the conversion:**
   - (33 1/3) rpm = (100/3) rpm
   - Therefore, (100/3) rpm * (1/60) rev/s = (100/3) * (1/60) rev/s
   - Simplify the multiplication: (100/180) rev/s = (5/9) rev/s

**Answer:**
   Therefore, the frequency of the LP record is **5/9 rev/s**.

**Note:**
Understanding the conversion from minutes to seconds is crucial for this calculation, as it ensures that the units are consistent for accurate computation. 

---

This problem demonstrates the principles of rotational motion and unit conversion, which are fundamental topics in physics.
Transcribed Image Text:**Rotational Motion of an LP Record** **Part A: Calculating the Frequency of Rotation** --- **Problem Statement:** An old-fashioned LP record rotates at 33 1/3 rpm. **Question:** What is its frequency in rev/s? Express your answer in revolutions per second. --- **Explanation:** The problem involves calculating the rotational frequency of an LP record given its rotational speed in revolutions per minute (rpm). The frequency is denoted in rev/s. **Steps to Solve:** 1. **Identify the given value:** - Rotational speed (ω): 33 1/3 rpm 2. **Convert rpm to rev/s:** - 1 rpm = 1/60 rev/s 3. **Apply the conversion:** - (33 1/3) rpm = (100/3) rpm - Therefore, (100/3) rpm * (1/60) rev/s = (100/3) * (1/60) rev/s - Simplify the multiplication: (100/180) rev/s = (5/9) rev/s **Answer:** Therefore, the frequency of the LP record is **5/9 rev/s**. **Note:** Understanding the conversion from minutes to seconds is crucial for this calculation, as it ensures that the units are consistent for accurate computation. --- This problem demonstrates the principles of rotational motion and unit conversion, which are fundamental topics in physics.
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Unit conversion
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
Physics for Scientists and Engineers, Technology …
Physics for Scientists and Engineers, Technology …
Physics
ISBN:
9781305116399
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Physics for Scientists and Engineers: Foundations…
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning
University Physics Volume 1
University Physics Volume 1
Physics
ISBN:
9781938168277
Author:
William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:
OpenStax - Rice University
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College