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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: - When we close one slit in the young’s double slit experiment, then
- A thermally insulated rigid container contains an ideal gas heated by a filament
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
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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 we close one slit in the young’s double slit experiment, then
- A thermally insulated rigid container contains an ideal gas heated by a filament
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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