NEET Questions Solved


(1)

                                          

At the point, where the block leaves the circle T=0

Using conservation of energy from A to B-

Ui+Ki = Uf+KfO+12mu2 = mgl+l sinθ+12mv2   v2=u2-2gl+lsinθ                ............iAt point B-   T=0 mg sinθ = mv2l      v2=gl sinθput it in i   lg sinθ = xgl-2gl-2gl sinθ   3l sinθ=x-2l       sinθ=x-2/3h=l+lsinθ=l+lx-23h=lx+13

v=xglh=x+13lwhere h is height where body leave the circle.h=72+13l=3l2

Difficulty Level:

  • 23%
  • 34%
  • 26%
  • 19%