NEET | 2013Work, Power and EnergyMedium
Question
Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium separation between them is r. Now the strings are rigidly clamped at half the height. The equilibrium separation between the balls now become : 
Options
A.
B.
C.
D.
More Work, Power and Energy Questions
A body of mass 2 kg falls from a height of 20 m. What is the loss in potential energy :-...A particle moves in one dimensional field with total mechanical energy E. If potential energy of particle is then...If and displacement , then the work done is :-...A body of mass 1 kg moves along a straight line with a velocity $v = 2x^{2}$. The work done by the body during displacem...Force F on a particle moving in a straight line varies with distance d as shown in figure.The work done on the particle ...