Q20. A 2-lb ball B is traveling around in a horizontal circle of radius ₁ = 5.8 ft with a speed (VB)₁ = 3.4 ft/s. If the attached cord is pulled down through the hole with a constant speed v₁ = 1.1 ft/s, determine how much time is required for the ball to reach a speed of 14 ft/s. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. B ri (VB)1 Your Answer: Answer units

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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**Problem Statement:**

A 2-lb ball \( B \) is traveling around in a horizontal circle of radius \( r_1 = 5.8 \, \text{ft} \) with a speed of \( (v_B)_1 = 3.4 \, \text{ft/s} \). If the attached cord is pulled down through the hole with a constant speed \( v_r = 1.1 \, \text{ft/s} \), determine how much time is required for the ball to reach a speed of 14 ft/s. Please pay attention: *the numbers may change since they are randomized*. Your answer must include 2 places after the decimal point, and proper unit.

**Diagram Explanation:**

The diagram shows a horizontal circular path with a blue ball labeled \( B \) moving in a circular motion. The radius of the circle is marked as \( r_1 \), and the initial velocity of the ball is \( (v_B)_1 \). There is a cord attached to the ball, which is being pulled down through a hole at a speed \( v_r \), illustrating the radial inward movement.

**Your Answer:**

A field is provided to enter the numerical answer with the required units, formatted to two decimal places:

- **Answer:** [       ]
- **Units:** [       ]
Transcribed Image Text:**Problem Statement:** A 2-lb ball \( B \) is traveling around in a horizontal circle of radius \( r_1 = 5.8 \, \text{ft} \) with a speed of \( (v_B)_1 = 3.4 \, \text{ft/s} \). If the attached cord is pulled down through the hole with a constant speed \( v_r = 1.1 \, \text{ft/s} \), determine how much time is required for the ball to reach a speed of 14 ft/s. Please pay attention: *the numbers may change since they are randomized*. Your answer must include 2 places after the decimal point, and proper unit. **Diagram Explanation:** The diagram shows a horizontal circular path with a blue ball labeled \( B \) moving in a circular motion. The radius of the circle is marked as \( r_1 \), and the initial velocity of the ball is \( (v_B)_1 \). There is a cord attached to the ball, which is being pulled down through a hole at a speed \( v_r \), illustrating the radial inward movement. **Your Answer:** A field is provided to enter the numerical answer with the required units, formatted to two decimal places: - **Answer:** [ ] - **Units:** [ ]
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