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Physics - NLM Question with Solution | TestHub

PhysicsNLMFrictionEasy2 minPYQ_2020

PhysicsEasysingle choice

A body is moving along the horizontal surface with a velocity of $4 m / s$ . If the coefficient of kinetic friction is $0.2$ , the distance travelled by body before coming to rest is $(g = 10 m / s^{2})$

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Answer:

Solution:

$f = μ mg$ . $∴ a = - f / m = - \frac{μ m g}{m} = - μg = - (0.2) 10 = - 2$ $v^{2} = u^{2} + 2 a s$ $s = 4$

Stream:MHT_CETSubject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: PYQ_2020

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