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Find the maximum velocity with which a train can be moved on a circular track of radius 200 m.The banking of the track is 5.71°(Given, tan5.71°= 0.1)
Options
(a) 1.4 m/s
(b) 14 m/s
(c) 140 m/s
(d) 0.14 m/s
Correct Answer:
14 m/s
Explanation:
tan θ = v²/rg
⇒ v = √(rg tan θ) = √(200 x 10 tan 5.71)
= √(200 x 10 x 0.1)
= 14.14 m/s = 14 m/s.
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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 voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
- Length of a conductor is 50 cm radius of cross section 0.1 cm and resistivity
- Which one of the following statements is not correct in case of a semiconductor?
- If r denotes the distance between sun and the earth, then the angular momentum of the earth
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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