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Time period of the rotation of the earth about its own axis is 24 hour. Mass and radius of the earth are 6 x 10²⁴ kg and 6.4 x 10⁶ m respectively. The rotational kinetic energy of the earth about its own axis is
Options
(a) 2.6 x 10²⁹ J
(b) 2.6 x 10²⁴ J
(c) 2.6 x 10³² J
(d) 2.6 x 10³⁴ J
Correct Answer:
2.6 x 10²⁹ J
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 1m long wire of diameter 0.31 mm has a resistance of 4.2Ω. If it is replaced by
- Three identical spheres, each of mass 3 kg are placed touching each other
- A 220 volts input is supplied to a transformer. The output circuit draws
- A wire of resistance 4 ohm is stretched to twice its original length.
- The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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