The relation between time t and dis...
Question
The relation between time t and distance x is t=ax2+bx where a and b are constants. The acceleration is
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The relation between time ( t ) and distance ( x ) is ( t=a x^{2}+b x ) where a and ( b ) are consiants. The acceleration is
( (A)-2 a b v^{2} )
(B) ( 2 b v^{3} )
( (C)-2 a v^{3} )
( (D) 2 a v^{2} )

JEE/Engineering Exams
Physics
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The relation between time t and distance x is t=ax2+bx where a and b are constants. The acceleration is
Fullscreen

( t=a x^{2}+b x )
( 1=(2 a x+b) frac{d x}{d x} Rightarrow V=frac{1}{2 a x+b} )
a) ( frac{v d v}{d x}=frac{-v 2 a}{(2 a x+b)^{2}}=-2 a v cdot v^{2} )
( =-2 a v^{3} )
option ( (c) )

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