1) Of the charge Q on a tiny sphere, a fraction @ is to be transferred to a second , nearby sphere. The spheres can be treated as a particle. What value of @ maximizes the mag F of the electrostatic force b/w the two spheres? ...
When u lift a box from the floor and put it on an almirah the potential energy of the box increases,but there is no change in its kinetic energy. Is it a violation of the conservation of energy ? ...
A block of mass m is placed at rest on an inclined plane of inclination @ to the horizontal.If the coefficient of friction between the block and the plane is U then the total force the inclined plane exerts on the block is : ...
