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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

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The correct Answer is:
B
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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
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