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What is the unit of coefficient of
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A shell of mass 0.020kg is fired by a gun of mass 100kg. If the muzzle speed of the shell is 80m/s, what is the recoil speed of the
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The momentum of an object is doubled. How does it’s. K.E.
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A light body and a heavy body have same linear momentum. Which one has greater
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A shot fired from cannon explodes in air. What will be the changes in the momentum and the kinetic
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Can a body have momentum without
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Obtain an expression for K.E. of a body moving
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When an air bubble rises in water, what happens to its potential
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What should be the angle between the force and the displacement for maximum and minimum
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What is work done in holding a 15kg suitcase while waiting for a bus for 15
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A light body and a heavy body have same kinetic energy. Which one has greater linear
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Can a body have energy without
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When an air bubble rises in water, what happens to its potential
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State and prove work energy theorem
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Two particles in an isolated system under go head on collision. What is the acceleration of the centre of mass of the
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Show that cross product of two parallel vectors is
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Prove the relation
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Find the expression for radius of gyration of a solid sphere about one of its
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Prove that the centre of mass of two particles divides the line joining the particles in the inverse ratio of their
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What is the torque of the force `vecF=2hati-5hatj+4hatk` acting at the point `vecr=(3hati+3hatj+3hatk)m` about the
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