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Kinetic energy of a particle moving on a straight line is given by k = t2, where is some positive constant. the force acting on the particle is (if particle starts from rest)

Ablock is a phrase on an inclined plane moving towards right horizontal with an acceleration a not equal to the length of the plane is equals to 1 metre friction is absent everywhere find the time taken by the block to reach c2a

Astone of mass 2 kg is projected with velocity 20 m/sec at an angle 60 degree with the horizontal, it's momentum at the highest point is