IN impulse movement ke sath force use

Sorry , 4i-j-k Root of 4^2-1^2-1^2 Root of 18 is answer

3i-1j-k

4d

1 dyne covert to 1 newton

1 dyne convert to S.I unit

To determine the average speed and average velocity of the taxi, we'll use the information provided: 1. **Distance traveled by the taxi (circuitous path):** 23 km 2. **Time taken to travel:** 28 minutes Firstly, let's convert the time from minutes to hours (since speed is typically measured in km/h): $$\text{Time in hours} = \frac{28 \text{ minutes}}{60} = 0.467 \text{ hours}$$ ### Average Speed Average speed is calculated as the total distance traveled divided by the total time taken: $$\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}}$$ In this case: $$\text{Average Speed} = \frac{23 \text{ km}}{0.467 \text{ hours}} \approx 49.26 \text{ km/h}$$ ### Average Velocity Average velocity considers both the magnitude and direction of motion. Since the hotel is 10 km away from the station (straight line), and assuming the circuitous path does not significantly alter the direction towards the hotel: $$\text{Average Velocity} = \frac{\text{Displacement}}{\text{Total Time}}$$ Here, displacement is the straight-line distance from the station to the hotel, which is 10 km. $$\text{Average Velocity} = \frac{10 \text{ km}}{0.467 \text{ hours}} \approx 21.43 \text{ km/h}$$ ### Comparison: Average Speed vs. Average Velocity Now, comparing the two: - **Average Speed:** 49.26 km/h - **Average Velocity:** 21.43 km/h The average speed (49.26 km/h) is greater than the average velocity (21.43 km/h). This indicates that while the taxi covered more distance per unit time (due to the circuitous route), the average velocity, which considers the direction of travel towards the hotel, is lower because it only accounts for the displacement towards the destination. Therefore, the two are not equal in this scenario. The average speed reflects the total distance covered over total time, while average velocity considers the displacement over total time, taking direction into account.

Surface area is 311.2 m sq. and volume is 373.7 m cube

Doi

MyCbseguide

Creating a project on infographics of vectors can be both informative and visually appealing. Here's a structured outline for your project: ### Project Outline: Infographics of Vectors 1. **Introduction to Vectors** - Define what vectors are in physics and mathematics. - Explain scalar quantities vs. vector quantities. - Provide real-world examples where vectors are used (e.g., velocity, force, displacement). 2. **Basic Concepts of Vectors** - **Magnitude and Direction:** - Explain how vectors have both magnitude (size) and direction. - Use graphical representations to illustrate magnitude and direction. - **Components of Vectors:** - Break down vectors into their components (x, y, z in 3D space). - Show how to resolve vectors into their components and vice versa. 3. **Operations with Vectors** - **Vector Addition:** - Illustrate how vector addition works graphically and algebraically. - Include the parallelogram method and the triangle method. - **Scalar Multiplication:** - Explain scalar multiplication and its effect on vectors (scaling up/down, direction preservation). - **Dot Product:** - Define the dot product of vectors. - Show geometric interpretation and its applications (work done, projection). - **Cross Product:** - Define the cross product of vectors. - Illustrate its geometric interpretation and applications (torque, angular momentum). 4. **Applications of Vectors** - **Physics Applications:** - Use vectors to explain motion, forces, and equilibrium. - Include examples such as projectile motion, Newton's laws, and equilibrium of forces. - **Engineering Applications:** - Discuss vector applications in engineering disciplines (mechanical, civil, electrical). - Show examples like force analysis in structures, electrical circuits, and fluid dynamics. - **Computer Graphics:** - Explain how vectors are used in computer graphics (3D rendering, animation). - Demonstrate vector transformations (translation, rotation, scaling). 5. **Designing Infographics** - **Visual Elements:** - Create infographics that visually represent vector concepts. - Use arrows, diagrams, and icons to enhance understanding. - Incorporate color coding to differentiate between vectors and scalar quantities. - **Software Tools:** - Mention software tools used for creating infographics (Adobe Illustrator, Canva, etc.). - Provide tips for effective infographic design (layout, readability, use of white space). 6. **Conclusion** - Summarize key points about vectors. - Reflect on the importance of understanding vectors in various fields. - Discuss future advancements or applications of vector concepts. 7. **References** - List sources and references used for information and images. ### Tips for Presentation - **Clarity:** Ensure your infographics are clear and easy to understand. - **Engagement:** Use interactive elements if presenting digitally (animations, clickable elements). - **Relevance:** Relate vector concepts to everyday examples to enhance relevance and understanding. By following this outline, you can create a comprehensive project on infographics of vectors that effectively communicates the fundamental concepts and applications of vectors in a visually engaging manner.

Air molecules in the atmosphere experience vertically downward force due to gravity, just like an apple falling vertically from a tree. Due to temperature, the air molecules have random motion. Due to it, the velocity of air molecules is not exactly in the vertical downward direction.