Recently Replied Questions

• problems
  1.the radius of the circle whose centre is[-4,0] and which cuts the parabola y2=8x at A and B such that its common chord AB subtends a right angle at the vertex of the parabola is equal to a.4 b.3 c. 18 d.5 2.a normal is draw ...
  0·2· #Mathematics#Co-ordinate Geometry#Cartesian coordinates
  replied2014-09-09 07:40:41
• problems
  1.the radius of the circle whose centre is[-4,0] and which cuts the parabola y2=8x at A and B such that its common chord AB subtends a right angle at the vertex of the parabola is equal to a.4 b.3 c. 18 d.5 2.a normal is draw ...
  0·2· #Mathematics#Co-ordinate Geometry#Cartesian coordinates
  replied2014-09-09 07:20:53
• conducting spheres
  two conducting spheres of radii r1 and r2 have charge q1 and q2 respectively.after bringing them in contact,what happens to the energy of the system? a)no change b)increase if q1r2≠q2r1 c)decrease always d)decrease if q1r2â ...
  0·2· #Physics#Electricity and magnetism#Electrostatics
  replied2014-06-19 22:45:43