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Three objects A,B and C are kept in a straight line on a frictionless horizontal surface.These have masses m,2m and m respectively.The object a moves towards b with a speed 9 m/s and makes an elastic collision with it. Thereafter, B makes completly inelastic collision with C.All motions occur on the same straight line.Find the final speed (in m/s) of the object C
Options
(a) 3 m/s
(b) 4 m/s
(c) 5 m/s
(d) 1 m/s
Correct Answer:
4 m/s
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
- A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
- When a p-n junction is reverse biased, then the current through the junction
- Monochromatic radiation emitted when electron on hydrogen atom
- The original temperature of a black body is 727⁰C. The temperature at which this black
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
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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