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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
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
- A transistor is working in common emitter mode. Its amplification factor is 80
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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