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A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 ft tall building. After a fall of 30 ft each towards the earth,their respective kinetic energies will be in the ratio of
Options
(a) √2:1
(b) 1:4
(c) 1:2
(d) 1:√2
Correct Answer:
1:2
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- An electron moving in a circular orbit of radius r makes n rotations per second.
- A cyclist is riding with a spped of 27 km/h.As he approaches a circular turn
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
- The de-Broglie wavelength associated with an electron accelerated by a potential
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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