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A body of mass 3 kg is under a constant force which cause a displacement s in metres in it, given by the relation s=1/3 t², where t is in seconds. Work done by the force in 2 seconds is
Options
(a) 19/5 J
(b) 5/19 J
(c) 3/8 J
(d) 8/3 J
Correct Answer:
8/3 J
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
- If the kinetic energy of the particle is increased to 16 times its previous value
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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