Question

04 Poststecher is explaining the difference between average speed and average Whereas average velocity displacement average speed - time taken time taken She emphasises that average speed is more relevant than average velocity, beca displacement from one place to other is only theoretical, being the shortest distance bet tre places. Average speed is the real entity that matters, taking into account the actual taken to travel the actual distance between the two stations, Read the above passage and answer the following questions: ) Do you agree with the statement of Physics teacher? 1) The shortest distance between Ambala and Delhi is 200 km. A train takes 4 hrs and me a distance of 210 km in going from Ambala to Delhi via Karnal. Another train takes and covers 250 km distance in going from Ambala to Delhi via Saharanpur. What is average speed of these two trains? What would be the average velocity of a train that take 2-5 hrs to cover 200 km distance? (a) What values do you learn from this discussion?​

Answer 1

Explanation:

Ans Yes, we agree with the statement of Physics teacher

(ii) From the above discussion, we learn that if two places, say A and B between which we have to travel are connected by different routes, we should choose the route in which we have to tad the minimum distance and along which road conditions are good. This would save us time and also the cost of travel. We can advise our friends accordingly and fulfil our social obligation

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Answer 2

Answer:

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... The average velocity is the displacement or position change (a vector quantity) per time ratio.