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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2012

PhysicsEasysingle choice

A car of mass $1000 kg$ negotiates a banked curve of radius $90 m$ on a frictionless road. If the banking angle is $4 5^{\circ}$ , the speed of the car isNEET 2012 (Screening)

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Solution:

The angle of banking $tan θ = \frac{v ^{2}}{r g}$ Given, $θ = 4 5^{\circ}, r = 90 m$ and $g = 10 m / s^{2}$ $tan 4 5^{\circ} v = \frac{v ^{2}}{90 \times 10} = 90 \times 10 \times tan 4 5^{\circ}$ Speed of $car v = 30 m / s$

Stream:NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2012

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