NDA 2022 Physics question
Inhabitants are unaware of the speed of rotation of the planet Earth because 1. the angular velocity is constant for each place on the Earth's surface 2. the atmosphere rotates with the Earth 3. there are no nearby objects, either stationary or moving at a rate different from that of the Earth Which of the above is/are the correct explanation(s)?
Answer: (D)
Solution
We sense motion only when speed changes or when we can compare it with a reference. The Earth rotates at a constant angular velocity, the atmosphere
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