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Consider a rocket is being fired. The kinetic energy of the rocket is increased by times where as its total mass is reduced by half through the burning of fuel. The factor by which its momentum increases is
(a)
(b)
(c)
(d)

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Important Questions on Laws of Motion
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The force acting on a particle of mass is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to is,

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The figure shows the position - time graph of one-dimensional motion of a body of mass . The magnitude of each impulse is

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A constant force, is applied on the block of mass as shown in figure. The string and the pulley are light and the surface of the table is smooth. Find the acceleration of .
