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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Motion in a Straight Line
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If the speed of a truck is reduced to one third of its original value, the minimum distance required to stop will be

$\begin{array}{1 1}(A)\;same\;as\;before \\(B)\;\frac{1}{3} of\; its\;original\;value\\(C)\;\frac{1}{9} of\;its\;original\;value\\(D)\;\frac{2}{3}\;of\;its\;original\;value \end{array} $

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1 Answer

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$s \alpha u^2 $ as $0= u^2 -2as$
$\qquad= > u^2=2as$
Hence C is the correct answer.
answered Jul 17, 2014 by meena.p
edited Aug 13, 2014 by thagee.vedartham

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