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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: - As a light wave travels from one medium to another which of its following properties
- The equivalent resistance of two resistors connected in series is 6 Ω
- In a common emitter (CE) amplifier having a voltage gain G, the transistor
- A certain metallic surface is illuminated with monochromatic light of wavelength
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- As a light wave travels from one medium to another which of its following properties
- The equivalent resistance of two resistors connected in series is 6 Ω
- In a common emitter (CE) amplifier having a voltage gain G, the transistor
- A certain metallic surface is illuminated with monochromatic light of wavelength
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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