A particle starts from rest at $t = 0$ and undergoes an acceleration a in $ms^{- 2}$ with time $t$ in seconds which is as shown [image:3_image77.emf] Which one of the following plot represents velocity $V$ in $ms^{- 1}$ versus time $t$ in seconds

Question

Dr. Abubacker · Accepted Answer

(a) [image:3_image184.emf]
Taking the motion from $0$ to $2\ s$
$u = 0,\ a = 3ms^{- 2},\ t = 2s,\ v = ?$
$v = u + at = 0 + 3 	imes 2 = 6ms^{- 1}$
Taking the motion from $2\ s$ to $4\ s$
$v = 6 + ( - 3)(2) = 0ms^{- 1}$

Q. A particle starts from rest at $t = 0$ and undergoes an acceleration a in $ms^{- 2}$ with time $t$ in seconds which is as shown

Which one of the following plot represents velocity $V$ in $ms^{- 1}$ versus time $t$ in seconds

Explanation

Reviewed by Dr. Abubacker

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Q. A particle starts from rest at $t = 0$ and undergoes an acceleration a in $ms^{- 2}$ with time $t$ in seconds which is as shown Which one of the following plot represents velocity $V$ in $ms^{- 1}$ versus time $t$ in seconds

Explanation

Reviewed by Dr. Abubacker

Want more practice?

Q. A particle starts from rest at $t = 0$ and undergoes an acceleration a in $ms^{- 2}$ with time $t$ in seconds which is as shown

Which one of the following plot represents velocity $V$ in $ms^{- 1}$ versus time $t$ in seconds