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On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M which is infinitely at rest. After collision the first block moves at an angle θ to its initial direction and has a speed v/3. The second bolck’s speed after the collision is
Options
(a) 3/√2 v
(b) √3/2 v
(c) 2√2/3 v
(d) 3/4 v
Correct Answer:
2√2/3 v
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
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
- The ratio of longest wavelength corresponding to Lyman and Blamer series
- A ship A is moving westwards with a speed of 10 km/h and a ship B 100 km
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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