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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
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- The escape velocity of a body from earth’s surface is Ve. The escape velocity
- A black hole is an object whose gravitational field is so strong that even light
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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