A car is negotiating a curved road of radius R. The road is banked at an angle θ. The coefficient of friction between the tyre of the car and the road is μs. The maximum safe velocity on this road is

 1. gRμs+tanθ1-μstanθ

2. gRμs+tanθ1-μstanθ

3. gR2μs+tanθ1-μstanθ

4. gR2μs+tanθ1-μstanθ

Subtopic:  Banking of Roads |
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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 45o, the speed of the car is:

1. 20 ms-1

2. 30 ms-1

3. 5 ms-1

4. 10 ms-1

Subtopic:  Banking of Roads |
To view explanation, please take trial in the course below.
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To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology