(7%) Problem 5: A hammer of mass m= 0.46 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Ax = 1.25 cm into a board.

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**Problem 5 (7%)**  
A hammer of mass \( m = 0.46 \, \text{kg} \) is moving horizontally at a velocity of \( v = 5.5 \, \text{m/s} \) when it strikes a nail and comes to rest after driving the nail a distance \( \Delta x = 1.25 \, \text{cm} \) into a board.

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### 50% Part (a)
**Question:** What is the duration of the impact, in seconds, assuming the acceleration of the hammer was constant?

**Answer Box:**  
\( \Delta t = \) [Input Field]

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### Keypad Options:
- Trigonometric functions: \( \sin() \), \( \cos() \), \( \tan() \)
- Reciprocal functions: \( \cotan() \), \( \asin() \), \( \acos() \)
- Equal counterparts: \( \atan() \), \( \acotan() \), \( \sinh() \)
- Hyperbolic functions: \( \cosh() \), \( \tanh() \), \( \cotanh() \)
- Constants: \( \pi \)

- Numeric Keys: \( 7 \), \( 8 \), \( 9 \), \( 4 \), \( 5 \), \( 6 \), \( 1 \), \( 2 \), \( 3 \), \( 0 \)
- Arithmetic operations and other functions: \( \cdot, +, -, \sqrt{} \)
- Controls: BACKSPACE, DELETE, CLEAR, HOME, END

- **Radio Buttons:** Degrees / Radians

**Submission Options:**  
- Submit button  
- Hint (3% deduction per hint, 2 hints remaining)  
- Feedback (2% deduction per feedback)  
- I give up!

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### 50% Part (b)
**Question:** What was the average force, in newtons, exerted on the nail?

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*Note: Ensure calculations are performed assuming constant acceleration for accurate results.*
Transcribed Image Text:**Problem 5 (7%)** A hammer of mass \( m = 0.46 \, \text{kg} \) is moving horizontally at a velocity of \( v = 5.5 \, \text{m/s} \) when it strikes a nail and comes to rest after driving the nail a distance \( \Delta x = 1.25 \, \text{cm} \) into a board. --- ### 50% Part (a) **Question:** What is the duration of the impact, in seconds, assuming the acceleration of the hammer was constant? **Answer Box:** \( \Delta t = \) [Input Field] --- ### Keypad Options: - Trigonometric functions: \( \sin() \), \( \cos() \), \( \tan() \) - Reciprocal functions: \( \cotan() \), \( \asin() \), \( \acos() \) - Equal counterparts: \( \atan() \), \( \acotan() \), \( \sinh() \) - Hyperbolic functions: \( \cosh() \), \( \tanh() \), \( \cotanh() \) - Constants: \( \pi \) - Numeric Keys: \( 7 \), \( 8 \), \( 9 \), \( 4 \), \( 5 \), \( 6 \), \( 1 \), \( 2 \), \( 3 \), \( 0 \) - Arithmetic operations and other functions: \( \cdot, +, -, \sqrt{} \) - Controls: BACKSPACE, DELETE, CLEAR, HOME, END - **Radio Buttons:** Degrees / Radians **Submission Options:** - Submit button - Hint (3% deduction per hint, 2 hints remaining) - Feedback (2% deduction per feedback) - I give up! --- ### 50% Part (b) **Question:** What was the average force, in newtons, exerted on the nail? --- *Note: Ensure calculations are performed assuming constant acceleration for accurate results.*
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