1.

A particle is projected on a rough horizontal ground along positive x-axis from x = 0, with an initial speed of \[{{\text{V}}_{\text{0}}}\] The friction coefficient to the ground varies with x as Here K is a positive constant. The particle comes to rest at x equal

A. \[\frac{{{\text{v}}_{\text{0}}}}{\sqrt{\text{Kg}}}\]
B. \[\frac{\text{2}{{\text{v}}_{\text{0}}}}{Kg}\]
C. \[\frac{{{\text{v}}_{\text{0}}}}{\sqrt{2Kg}}\]
D. \[\frac{\text{2}{{\text{v}}_{\text{0}}}}{\sqrt{Kg}}\]
Answer» B. \[\frac{\text{2}{{\text{v}}_{\text{0}}}}{Kg}\]


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