CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

a-t Graph

A particle st...

Question

A particle starts from rest at $t = 0$ and moves on a straight line with acceleration as shown graphically. The speed will be minimum at _____.

A

1 s e c

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

2 s e c

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

3 s e c

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

4 s e c

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $4 s e c$
$u_{0} = 0$
$a = - 7$
$t = 2$
$v_{2} = u_{0} + a t = - 14 m / s$
$u_{2} = - 14$
Now from $t = 2$ to $t = 4$ we have
$a = 7$
$t = 2$
$v_{4} = - 14 + 7 \times 2 = 0$
Thus the minimum speed is at $t = 4$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A particle starts from rest at time

t = 0

and moves on a straight line with acceleration as plotted in figure. The speed of the a particle will be maximum at time

Q. A particle starts from rest at time

t = 0

and moves on a straight line with an acceleration which varies with time as shown in fig. The speed of the particle will be maximum after how many seconds?

Q. A particle starts from rest at time

t = 0

and moves on a straight line with acceleration as plotted in figure. The speed of the a particle will be maximum at time

Q. A particle starts from rest at

t = 0

and moves in a straight line with acceleration as shown in the following figure.

The velocity of the particle at

t = 3

Q. The acceleration versus time graph for a particle moving along a straight line is shown in the figure. If the particle starts from rest at

t = 0

, then its speed at

t = 30 s

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Acceleration

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon