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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Maximum kinetic energy of electrons emitted in photoelectric effect increases when
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain
- Complete the reaction: ₀n¹+ ₉₂U²³⁵→₅₆Ba¹⁴⁴+……..+3n
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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