Home
Class 11
PHYSICS
A particle starts from rest with a time ...

A particle starts from rest with a time varying acceleration `a=(2t-4)`. Here `t` is in second and `a` in `m//s^(2)`
Particle comes to rest after a time `t=`………… second

A

1

B

4

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • KINEMATICS 1

    DC PANDEY|Exercise MATCH THE COLUMN|10 Videos

  • KINEMATICS 1

    DC PANDEY|Exercise INTEGER_TYPE|15 Videos

  • KINEMATICS 1

    DC PANDEY|Exercise MCQ_TYPE|27 Videos

  • KINEMATICS

    DC PANDEY|Exercise INTEGER_TYPE|11 Videos

  • LAWS OF MOTION

    DC PANDEY|Exercise Medical entrances gallery|39 Videos

Similar Questions

Explore conceptually related problems

A particle starts from rest. Its acceleration is varying with time as shown in the figure. When the particle comes to rest, its distance from its starting point is

A particle starts from rest, moving in a straight line with a time varying acceleration ( "in"m//s^(2) ): a= 30 -(15)/(2) sqrt(t) , where time is in seconds . The displacement of the particle in 4 seconds is .

Knowledge Check

  • A particle starts from rest with a time varying acceleration a=(2t-4) . Here t is in second and a in m//s^(2) The velocity time graph of the particle is

    A
    parabola passing through origin
    B
    straight line not passing through origin
    C
    parabola not passing through origin
    D
    straight line passing through origin

  • A particle starts from rest with a time varying acceleration a=(2t-4) . Here t is in second and a in m//s^(2) Maximum velocity of particle in negative direction is at t= …………… second

    A
    3
    B
    4
    C
    2
    D
    1

  • If S=9t-(t^(3))/(3) , the particle to rest after time t=

    A
    1 sec
    B
    2 sec
    C
    3 sec
    D
    4 sec

    • Similar Questions

    Explore conceptually related problems

    The acceleration of a particle, starting from rest, varies with time according to relation , a =- r omega ^(2) sin ometa t . Find the displacemnt of this particle at a time (t).

    A particle starts from rest and moves with an acceleration of a={2+|t-2|}m//s^(2) The velocity of the particle at t=4 sec is

    A particle starts from rest with uniform acceleration a . Its velocity after n seconds is v . The displacement of the particle in the two seconds is :

    Blocks m_(1) and m_(2) starts from rest and move to right with accelerations as shown. If t is in second then the time when block m_(3) again come to rest from t =0 is (pulley and strings are ideal) : .

    A particle starts from rest and moves with acceleration a which varies with time t as a=kt where k is a costant. The displacement s of the particle at time t is

    Home
    Profile