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A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45°, the speed of the car is :
Options
(a) 20 ms⁻¹
(b) 30 ms⁻¹
(c) 5ms⁻¹
(d) 10 ms⁻¹
Correct Answer:
30 ms⁻¹
Explanation:
For banking tan θ = V² / Rg
tan 45 = V² / 90 x 10 = 1
V = 30 m/s
Related Questions: - A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- The horizontal range and the maximum height of a projectile are equal
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- For the action of a common Base (CB) transistor, (E=emitter, B= base, C= collector)
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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