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A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects at the same angle. If it remains contact with wall for 0.1 sec, then the force is
Options
(a) zero
(b) 40 √3 N
(c) 30 √3 N
(d) 10 √3 N
Correct Answer:
10 √3 N
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
- Energy of photon whose frequency is 10¹² MHz will be
- A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.
- The threshold wavelength for photoelectric emission from a material is 4800 Å.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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