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Q. Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity ?

JEE MainJEE Main 2017Motion in a Straight Line

Solution:

$a = -C$
$\frac{VdV}{dx} = -C$
$VdV = - CdX$
$\frac{V^{2}}{2} = -Cx + k$
$x = -\frac{V^{2}}{2C}+\frac{K}{C}$