Q6. As shown in the image below, the spring (with spring constant k = 2.4 kN/m) is fixed to block A, and block B is pressed against the spring. The masses of blocks A and B are mà = 19 kg and m² = 15 kg, respectively. The spring is initially compressed by 240 mm, and then both blocks are released from rest. Determine the velocity of block A at the instant block Bloses contact with the spring. Right is considered the positive direction and negative sign must be included if the velocity points to the left. (Hint, neglect friction, and since there is no impulsive force, energy is conserved.) Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper SI unit. Your Answer: k B

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:**

As shown in the image below, the spring (with spring constant \( k = 2.4 \, \text{kN/m} \)) is fixed to block \( A \), and block \( B \) is pressed against the spring. The masses of blocks \( A \) and \( B \) are \( m_A = 19 \, \text{kg} \) and \( m_B = 15 \, \text{kg} \), respectively. The spring is initially compressed by 240 mm, and then both blocks are released from rest. Determine the velocity of block \( A \) at the instant block \( B \) loses contact with the spring. Right is considered the positive direction and a negative sign must be included if the velocity points to the left. (Hint: neglect friction, and since there is no impulsive force, energy is conserved.) Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper SI unit.

**Diagram Explanation:**

The diagram shows:

- A spring that is fixed at one end to block \( A \).
- Block \( A \) on the left, which is in contact with the spring.
- Block \( B \) on the right, compressed against the spring.
- The spring is in a compressed state between the two blocks.

**Input Fields:**

- A text field for entering the numerical answer with three decimal places.
- A text field for specifying the SI unit of the velocity.

**Solution Tip:**

Use the principle of conservation of energy to solve the problem.

**Answer Input Area:**

- Your Answer: [Text Field]
- Answer units: [Text Field]
Transcribed Image Text:**Problem Statement:** As shown in the image below, the spring (with spring constant \( k = 2.4 \, \text{kN/m} \)) is fixed to block \( A \), and block \( B \) is pressed against the spring. The masses of blocks \( A \) and \( B \) are \( m_A = 19 \, \text{kg} \) and \( m_B = 15 \, \text{kg} \), respectively. The spring is initially compressed by 240 mm, and then both blocks are released from rest. Determine the velocity of block \( A \) at the instant block \( B \) loses contact with the spring. Right is considered the positive direction and a negative sign must be included if the velocity points to the left. (Hint: neglect friction, and since there is no impulsive force, energy is conserved.) Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper SI unit. **Diagram Explanation:** The diagram shows: - A spring that is fixed at one end to block \( A \). - Block \( A \) on the left, which is in contact with the spring. - Block \( B \) on the right, compressed against the spring. - The spring is in a compressed state between the two blocks. **Input Fields:** - A text field for entering the numerical answer with three decimal places. - A text field for specifying the SI unit of the velocity. **Solution Tip:** Use the principle of conservation of energy to solve the problem. **Answer Input Area:** - Your Answer: [Text Field] - Answer units: [Text Field]
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