Physics

Physics

Problem

For a particle, velocity varies with time as

v(t)=5\sin(2t)

, where

v

is in

\text{m s}^{-1}

and

t

in

\text{s}

. Determine the instantaneous acceleration at

t=\dfrac{\pi}{4}\,\text{s}

. a)

10\,\text{m s}^{-2}

b)

0\,\text{m s}^{-2}

c)

5\,\text{m s}^{-2}

d)

7.07\,\text{m s}^{-2}

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