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QAIPM-2015-Ph-1327: NEET 2015 Physics - Class 11 AIPM-2015-Ph-1327 Solution: A particle of mass m is driven by a machine that delivers a…

A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the force on the particle at time t is 2mkt−1/2\sqrt{2mk}t^{-1/2} 12mkt−1/2\frac{1}{2}\sqrt{mk}t^{-1/2} mk2t−1/2\sqrt{\frac{mk}{2}}t^{-1/2} mkt−1/2\sqrt{mk}t^{-1/2}

Multiple Choice Options

  • A 2mk t−1/2\sqrt {2mk} {\,t^{ - 1/2}} 2 mk _ t _ 1/2
  • B 12mk t−1/2{1 \over 2}\sqrt {mk} \,{t^{ - 1/2}} 2 1 _ mk _ t _ 1/2
  • C mk2 t−1/2\sqrt {{{mk} \over 2}} \,{t^{ - 1/2}} 2 mk _ _ t _ 1/2
  • D mk t−1/2\sqrt {mk} \,{t^{ - 1/2}} mk _ t _ 1/2

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