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The angular speed of earth, so that the object on equator may appear weightless is(g = 10 m/s², radius of earth=6400 km)
Options
(a) 1.25 x 10⁻³ rad/s
(b) 1.56 x 10⁻³ rad/s
(c) 1.25 x 10⁻1 rad/s
(d) 1.56 rad/s
Correct Answer:
1.25 x 10⁻³ rad/s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(63)
Subject: Physics
(2479)
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- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- An electric dipole of moment p is lying along a uniform electric field E. The work
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- In the reaction ₉₂U²³⁴→₈₇Y²²², how many α-particle and β-particles are emitted
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Solution:
ω=√(g/R)=√(10/6400*10^3)=1.25*10^(-3) rad/s