Explanation Given Information: A particular jogger runs 1 lap of 400 meters in 2 minutes and he can maintain this pace for a long time. Formula used: Time taken = total distance covered rate of change Calculation: Consider the given value: In 2 minutes the covered distance is 400 meters. Hence, for 4 minutes the covered distance will be 800 meters. By using method of observation, it can be observed that the runner’s rate is the ratio in the increase in distance covered with the passage of time gives the positive value of observed quantity. That is, Rate of change = change in distance in meter change in time in minutes = ( 800 − 400 ) meter ( 4 − 2 ) minutes <

1st Edition

ISBN: 9781259218859

Author: David Sobecki Professor, Brian A. Mercer

Publisher: McGraw-Hill Education

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Chapter 2.3, Problem 15G

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To calculate: The time taken by the runner in 10k race where it is provided that a particular jogger runs 1 lap of 400 meters in 2 minutes and he can maintain this pace for a long time.

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Chapter 2.3, Problem 14G

Chapter 2.3, Problem 16G

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Example23. A man travelled a distance at a speed of 50 km per hour by car from his home to university and back from the university to his home at 65km per hour. Find his average speed.

Part b wanted the time not distance

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The time taken by the runner in 10 k race where it is provided that a particular jogger runs 1 lap of 400 meters in 2 minutes and he can maintain this pace for a long time.

Solution Summary: The author calculates the time taken by the runner in 10k race, where it is provided that a particular jogger runs 1 lap of 400 meters in 2 minutes

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To calculate: The time taken by the runner in 10k race where it is provided that a particular jogger runs 1 lap of 400 meters in 2 minutes and he can maintain this pace for a long time.

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Chapter 2 Solutions