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# In the question 1, is your approximate speed relative to

ISBN: 9780321909107 29

## Solution for problem 2RQ Chapter 35

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition

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Problem 2RQ

In the question 1, is your approximate speed relative to the Sun as you walk down the aisle of the train slightly more or very much more? Question 1 If you walk at 1 km/h down the aisle of a train that moves at 60 km/h, what is your speed relative to the ground?

Step-by-Step Solution:

Solution Step 1 of 3 In question 1, Here since the speeds are very less compared to speed of light, we can use normal velocity vector addition; The speed of the person moving on the aisle of train with respect to ground (assuming the person is moving towards front end of train) vpersonground= vtrainground v persontrain Where v is the speed of person relative to ground personground v traingrounds the speed of train relative to ground v persontrains the speed of person relative to train Using v trainground0 km/h and v persontrain1 km/h in above equation, vpersonground= 60 km/h + 1 km/h v = 61 km/h personground Therefore, the speed of person moving on aisle of train relative to ground is 61 km/h.

Step 2 of 3

Step 3 of 3

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In the question 1, is your approximate speed relative to