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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A sphere is suspended by a thread of length $l$ . The minimum horizontal velocity which has to be imparted to the sphere for it to reach the height of suspension is

Options:

Answer:

Solution:

Kinetic energy at $A = \frac{1}{2} {mu}^{2}$

Potential energy at B = mgh

For conservation of energy, $\frac{1}{2} {mu}^{2} = mg l$

$u = \sqrt{2 g l}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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