A particle is moving with speed \({\rm{v}} = {\rm{b}}\sqrt {\rm{x}} \) along positive x-axis. Calculate the speed of the particle at time t = τ (assume that the particle is at origin at t = 0)

\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{4}\)

\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{2}\)

\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{{\sqrt 2 }}\)

A particle is moving with speed \({\rm{v}} = {\rm{b}}\sqrt {\rm{x}} \)

1.	A particle is moving with speed \({\rm{v}} = {\rm{b}}\sqrt {\rm{x}} \) along positive x-axis. Calculate the speed of the particle at time t = τ (assume that the particle is at origin at t = 0)
A.	\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{4}\)
B.	\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{2}\)
C.	\({{\rm{b}}^2}{\rm{\tau }}\)
D.	\(\frac{{{{\rm{b}}^2}{\rm{\tau }}}}{{\sqrt 2 }}\)
Answer» C. \({{\rm{b}}^2}{\rm{\tau }}\)

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A particle is moving with speed \({\rm{v}} = {\rm{b}}\sqrt {\rm{x}} \) along positive x-axis. Calculate the speed of the particle at time t = τ (assume that the particle is at origin at t = 0)

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