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Motion in A Straight Line question

2019 · 12 Apr · Shift 2 · Q59
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  5. /2019 · 12 Apr · Shift 2 · Q59

Motion in A Straight Line question

2019 · 12 Apr · Shift 2 · Q59

JEE MainPhysicsMotion in A Straight LineMCQ+4 / −1
A particle is moving with speed v = b x\sqrt xx​ along positive x-axis. Calculate the speed of the particle at time t =τ\tauτ(assume that the particle is at origin t = 0)
  1. A
    b2τ2{{{b^2}\tau } \over {\sqrt 2 }}2​b2τ​
  2. B
    b2τ{{b^2}\tau }b2τ
  3. C
    b2τ2{{{b^2}\tau } \over 2}2b2τ​
  4. D
    b2τ4{{{b^2}\tau } \over 4}4b2τ​
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