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Chapter 13: Q. 17 (page 712)

Earth rotates on its axis once every 24 hours.

How long does it take Earth to rotate through an angle of 315掳?

Short Answer

Expert verified

The time taken by Earth to rotate through an angle of 315掳 is21 hours.

Step by step solution

01

Step 1. Given information.

Given, Earth rotates on its axis once every 24 hours.

The time taken by Earth to rotate through an angle of 315掳 is to be determined.

02

Step 2. Explanation.

Each rotation is 360掳.

Since 360掳 takes 24 hours, the required time for 315掳 is given by:

360掳24=315掳xx=24脳78x=21

03

Step 3. Conclusion.

Hence, the time taken by Earth to rotate through an angle of 315掳 is 21 hours.

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