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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
- The drift speed of electrons in copper wire of diameter and length l is v.
- Which two of the following five physical parameters have the same dimensions?
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The magnetic susceptibility does not depend upon the temperature in
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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