Hi pupil here's your answer ::
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This is due to the inertia of motion that the Blades of an electric fan continue to rotate for some time even after the fan has been switched off.
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Hope this helps .......
Answer:
(b) the night would be half as long
Explanation:
- As the earth, if rotated twice as fast than it does now and the sun stayed the same then the night would be as half as long as the rotation of the planet on its axis would be double to that of its and 12 hours of night would be as long as the speed of the axial rotation.