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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
- The effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- A 220 volts input is supplied to a transformer. The output circuit draws
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
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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