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Physics - NLM Question with Solution | TestHub

PhysicsNLMMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A block of metal weighing $2 kg$ is resting on a frictionless plane. It is struck by a jet releasing water at a rate of $1 kg s^{- 1}$ and at a speed of $5 m s^{- 1}$ . The initial acceleration of the block will be

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Answer:

Solution:

Force on the block $F = u (\frac{d m}{d t}) = 5 \times 1 = 5 N$

$∴$ Acceleration of block $a = \frac{F}{m} = \frac{5}{2} = 2 .5 m s^{- 2}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:NLMSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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