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Physics-

General

Easy

Question

Uniform cylinder rolls from rest down the side of a through whose vertical dimension y is given by the equation y = kx2. The cylinder does not slip from A to B but the surface of trough is frictionless from B to C. Then height of ascent of cylinder towards C is –

$\frac{y_{1}}{3}$
$\frac{2 y_{1}}{3}$
$\frac{3 y_{1}}{2}$
y1

The correct answer is: $fraction numerator 2 y subscript 1 end subscript over denominator 3 end fraction$

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