**Exercise: Calculating Initial Speed** **Problem Statement:** Find the initial speed of the minivan, assuming external forces can be ignored. **Input Box for Answer:** - A field is provided to input the initial speed (denoted as \( v_2 \)). - The unit for the answer is meters per second (m/s). **Controls:** - Buttons are available for mathematical symbols and formatting. - Options for undo, redo, and reset are available. - Help (?) button for guidance. **Submission:** - Click "Submit" to enter your answer. - You can request help by clicking "Request Answer" if you're unsure. This problem focuses on understanding concepts of motion where external forces are negligible, ideal for exploring principles in physics related to velocity. ### Collision of Two Vehicles at an Intersection A car with a mass of 1010 kg and a speed of \( v_1 = 20.0 \, \text{m/s} \) approaches an intersection, as shown in Figure 1. A 1310 kg minivan traveling at \( v_2 \) is heading for the same intersection. The car and minivan collide and stick together. The direction of the wreckage after the collision is \( \theta = 41.5^\circ \) above the \( x \) axis. You may want to review [Pages 272 - 277](Pages 272 - 277). #### Diagram Explanation The figure illustrates an intersection with two vehicles approaching: - The car is traveling horizontally from the left towards the right along the \( x \)-axis, with velocity \( v_1 \). - The minivan is traveling vertically upwards along the \( y \)-axis, with velocity \( v_2 \). - After the collision, the wreckage moves at an angle \( \theta = 41.5^\circ \) above the \( x \)-axis. - The diagram includes arrows indicating the direction and relative velocities of the vehicles pre- and post-collision. The intersection is shown surrounded by green areas representing foliage.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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23 3a

**Exercise: Calculating Initial Speed**

**Problem Statement:**
Find the initial speed of the minivan, assuming external forces can be ignored.

**Input Box for Answer:**
- A field is provided to input the initial speed (denoted as \( v_2 \)).
- The unit for the answer is meters per second (m/s).

**Controls:**
- Buttons are available for mathematical symbols and formatting.
- Options for undo, redo, and reset are available.
- Help (?) button for guidance.

**Submission:**
- Click "Submit" to enter your answer.
- You can request help by clicking "Request Answer" if you're unsure.

This problem focuses on understanding concepts of motion where external forces are negligible, ideal for exploring principles in physics related to velocity.
Transcribed Image Text:**Exercise: Calculating Initial Speed** **Problem Statement:** Find the initial speed of the minivan, assuming external forces can be ignored. **Input Box for Answer:** - A field is provided to input the initial speed (denoted as \( v_2 \)). - The unit for the answer is meters per second (m/s). **Controls:** - Buttons are available for mathematical symbols and formatting. - Options for undo, redo, and reset are available. - Help (?) button for guidance. **Submission:** - Click "Submit" to enter your answer. - You can request help by clicking "Request Answer" if you're unsure. This problem focuses on understanding concepts of motion where external forces are negligible, ideal for exploring principles in physics related to velocity.
### Collision of Two Vehicles at an Intersection

A car with a mass of 1010 kg and a speed of \( v_1 = 20.0 \, \text{m/s} \) approaches an intersection, as shown in Figure 1. A 1310 kg minivan traveling at \( v_2 \) is heading for the same intersection. The car and minivan collide and stick together. The direction of the wreckage after the collision is \( \theta = 41.5^\circ \) above the \( x \) axis. You may want to review [Pages 272 - 277](Pages 272 - 277).

#### Diagram Explanation

The figure illustrates an intersection with two vehicles approaching:

- The car is traveling horizontally from the left towards the right along the \( x \)-axis, with velocity \( v_1 \).
- The minivan is traveling vertically upwards along the \( y \)-axis, with velocity \( v_2 \).
- After the collision, the wreckage moves at an angle \( \theta = 41.5^\circ \) above the \( x \)-axis.
- The diagram includes arrows indicating the direction and relative velocities of the vehicles pre- and post-collision. The intersection is shown surrounded by green areas representing foliage.
Transcribed Image Text:### Collision of Two Vehicles at an Intersection A car with a mass of 1010 kg and a speed of \( v_1 = 20.0 \, \text{m/s} \) approaches an intersection, as shown in Figure 1. A 1310 kg minivan traveling at \( v_2 \) is heading for the same intersection. The car and minivan collide and stick together. The direction of the wreckage after the collision is \( \theta = 41.5^\circ \) above the \( x \) axis. You may want to review [Pages 272 - 277](Pages 272 - 277). #### Diagram Explanation The figure illustrates an intersection with two vehicles approaching: - The car is traveling horizontally from the left towards the right along the \( x \)-axis, with velocity \( v_1 \). - The minivan is traveling vertically upwards along the \( y \)-axis, with velocity \( v_2 \). - After the collision, the wreckage moves at an angle \( \theta = 41.5^\circ \) above the \( x \)-axis. - The diagram includes arrows indicating the direction and relative velocities of the vehicles pre- and post-collision. The intersection is shown surrounded by green areas representing foliage.
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