NEET Physics Mathematical Tools Questions Solved


The velocity of a particle moving on the x-axis is given by v=x2+x where v is in m/s and x is in m. Find its acceleration in m/s2 when passing through the point x=2m

(A)  0

(B)  5

(C)  11

(D)  30

Concept Videos :-

#16 | Calculus: Differential Equation
#19 | Numericals

Concept Questions :-

(D)

v=x2+xDifferentiating both sides wrt tdvdt=dx2dt+dxdta= 2xdxdt+dxdta= 2x+1v          v=dxdt  = 2x+1x2+xAt x=2 a= 22+122+2   = 30 ms-2

Difficulty Level:

  • 8%
  • 29%
  • 10%
  • 55%
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