Vector addition: (use scale 1 cm = 5 units, for example 15 m/s = 3 cm) Draw coordinate plane too (x & y axis) like in the picture. The picture is an example of how it should look like. 1. 20 m/s at 90 degrees + 15 m/s 190 at degrees + 15 m/s at 30 degrees 2. 15 m/s at 320 degrees + 7 m/s 90 degrees + 10 m/s at 180 degrees + 30 m/s at 320 degrees

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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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Vector addition: (use scale 1 cm = 5 units, for example 15 m/s = 3 cm) Draw coordinate plane too (x & y axis) like in the picture. The picture is an example of how it should look like.

1. 20 m/s at 90 degrees + 15 m/s 190 at degrees + 15 m/s at 30 degrees

2. 15 m/s at 320 degrees + 7 m/s 90 degrees + 10 m/s at 180 degrees + 30 m/s at 320 degrees

 

This image appears to be a vector diagram illustrating two forces or velocities and their resultant vector.

### Diagram Explanation:

1. **Coordinate Axes**:
   - The diagram is centered on a system of axes marked with degrees representing compass directions.
   - Directions are labeled as follows:
     - 0°/360° (East or right)
     - 90° (North or up)
     - 180° (West or left)
     - 270° (South or down)

2. **Vectors**:
   - **First Vector**:
     - Magnitude: 10 km/h
     - Angle: 30° from the 0°/360° line (East)
     - This vector is drawn from the origin towards the right and slightly upwards, indicating northeast direction.
   - **Second Vector**:
     - Magnitude: 15 km/h
     - Angle: 270° from the origin (directly downward)
     - This vector points straight downward from the origin, indicating a southward direction.

3. **Resultant Vector**:
   - The resultant vector is drawn from the tail of the first vector to the tip of the second vector.
   - It is labeled as "resultant" and shows the combined effect of the two vectors in terms of magnitude and direction.

This diagram is often used in physics to demonstrate the concept of vector addition, showing how two vectors combine to form a resultant vector using the parallelogram or triangle method.
Transcribed Image Text:This image appears to be a vector diagram illustrating two forces or velocities and their resultant vector. ### Diagram Explanation: 1. **Coordinate Axes**: - The diagram is centered on a system of axes marked with degrees representing compass directions. - Directions are labeled as follows: - 0°/360° (East or right) - 90° (North or up) - 180° (West or left) - 270° (South or down) 2. **Vectors**: - **First Vector**: - Magnitude: 10 km/h - Angle: 30° from the 0°/360° line (East) - This vector is drawn from the origin towards the right and slightly upwards, indicating northeast direction. - **Second Vector**: - Magnitude: 15 km/h - Angle: 270° from the origin (directly downward) - This vector points straight downward from the origin, indicating a southward direction. 3. **Resultant Vector**: - The resultant vector is drawn from the tail of the first vector to the tip of the second vector. - It is labeled as "resultant" and shows the combined effect of the two vectors in terms of magnitude and direction. This diagram is often used in physics to demonstrate the concept of vector addition, showing how two vectors combine to form a resultant vector using the parallelogram or triangle method.
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