Driving home from school one day, you spot a ball rolling out into the street (see the figure (Figure 1)). You brake for 1.50 s, slowing your 990-kg car from 16.0 m/s to 9.50 m/s. You may want to review (Pages 121 129).

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please help part A-C ? Thank you.
**Part A**

What was the magnitude of the average force exerted on your car during braking? 

*Express your answer using two significant figures.*

\[ F = -42 \, \text{N} \]

---

**Part B**

What was the direction of the average force exerted on your car during braking?

- [ ] To the direction of motion.
- [x] Opposite to the direction of motion.

---

**Part C**

How far did you travel while braking?

---

There are no graphs or diagrams in this image.
Transcribed Image Text:**Part A** What was the magnitude of the average force exerted on your car during braking? *Express your answer using two significant figures.* \[ F = -42 \, \text{N} \] --- **Part B** What was the direction of the average force exerted on your car during braking? - [ ] To the direction of motion. - [x] Opposite to the direction of motion. --- **Part C** How far did you travel while braking? --- There are no graphs or diagrams in this image.
### Educational Text and Diagram Explanation

**Scenario:**

Driving home from school one day, you spot a ball rolling out into the street. To avoid an accident, you engage the brakes of your vehicle.

- **Initial Conditions:**
  - **Speed**: 16.0 m/s
  - **Vehicle Mass**: 990 kg

- **Braking Action:**
  - **Duration**: 1.50 seconds
  - **Final Speed**: 9.50 m/s

You may want to review relevant concepts on **Pages 121 - 129**.

**Diagram Explanation:**

The figure illustrates a road with trees lining both sides. On the road:

1. A car initially moves at a speed of 16.0 m/s before braking.
2. After braking, the car reduces speed to 9.50 m/s.
3. A child and a rolling ball are depicted, highlighting the reason for the necessary decrease in speed.

This visualization emphasizes the physics of motion and braking as the vehicle reacts to the hazard, providing an effective learning resource for understanding kinematic equations and concepts such as velocity, acceleration, and deceleration.
Transcribed Image Text:### Educational Text and Diagram Explanation **Scenario:** Driving home from school one day, you spot a ball rolling out into the street. To avoid an accident, you engage the brakes of your vehicle. - **Initial Conditions:** - **Speed**: 16.0 m/s - **Vehicle Mass**: 990 kg - **Braking Action:** - **Duration**: 1.50 seconds - **Final Speed**: 9.50 m/s You may want to review relevant concepts on **Pages 121 - 129**. **Diagram Explanation:** The figure illustrates a road with trees lining both sides. On the road: 1. A car initially moves at a speed of 16.0 m/s before braking. 2. After braking, the car reduces speed to 9.50 m/s. 3. A child and a rolling ball are depicted, highlighting the reason for the necessary decrease in speed. This visualization emphasizes the physics of motion and braking as the vehicle reacts to the hazard, providing an effective learning resource for understanding kinematic equations and concepts such as velocity, acceleration, and deceleration.
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