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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
- What is the time taken by moon light to reach earth?
- The young’s modulus of steel is twice that of brass. Two wires of same length
- A steady current is passing through a linear conductor of non-uniform cross-section.
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
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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