The earth, radius 6400 km, makes one revolution about its own axis in 24 hours. The…
Physics · JEE Main · NTA Exams — Rotational Motion
The earth, radius 6400 km, makes one revolution about its own axis in 24 hours. The centripetal acceleration of a point on its equator is nearly -
- 340\(\frac{\mathrm{cm}}{\mathrm{sec}^{2}}\)
- 3.4 \(\frac{\mathrm{cm}}{\mathrm{sec}^{2}}\)
- 34\(\frac{\mathrm{cm}}{\mathrm{sec}^{2}}\)
- 0.34 \(\frac{\mathrm{cm}}{\mathrm{sec}^{2}}\)
Answer
(B) 3.4 cm sec ^ 2
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