Home
Class 11
PHYSICS
Block A and C start from rest and move t...

Block A and C start from rest and move to the right with acceleration `a_(A)=12t m//s^(2)` and `a_(C)=3m//s^(2)` Here t is in seconds. The time when block B attain comes to rest is:

A

2 s

B

1 s

C

`3//2s`

D

`1//2s`

Text Solution

Verified by Experts

The correct Answer is:
D

`3=6t`
`t=1/2`
Promotional Banner

Topper's Solved these Questions

  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise More than one choice is correct|15 Videos
  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise Assertion- Reason|4 Videos
  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise Problem for practice|30 Videos
  • BASIC MATHEMATICS

    GRB PUBLICATION|Exercise Problems For Practice|35 Videos
  • FRICTION AND CIRCULAR MOTION

    GRB PUBLICATION|Exercise Comprehension type|11 Videos

Similar Questions

Explore conceptually related problems

Block A and C starts from rest and move to the right with acceleration a_(A)=12tms^(-2) and a_(C )=3ms^(-2) . Here t is in second. The time when block B again comes to rest 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 at t=0 and moves along a straight line with a variable acceleration given by a (t)=(3t+1)ms^(-2) ,where t],[ is in seconds.The velocity of the particle at t=4s is

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, 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 .

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 body starting from rest is moving with a uniform acceleration of 8m/s^(2) . Then the distance travelled by it in 5th second will be

A bus starts from rest and moves whith acceleration a = 2 m/s^2 . The ratio of the distance covered in 6^(th) second to that covered in 6 seconds is

A car starts from rest and moves with uniform acceleration of 5m/s^(2 for 8sec .If the acceleration ceases after 8seconds then find the distance covered in 12s starting from rest (in metres)

A car starts from rest and moves with uniform acceleration of "5m/s^(2)for 8 sec.If theacceleration ceases after 8 seconds then find the distance covered in 12 s starting from rest (in metres)

GRB PUBLICATION-FORCE AND NEWTONS LAWS OF MOTION-Objective Questions
  1. Two blocks A and B connected by an ideal spring of spring constant K=1...

    Text Solution

    |

  2. Two small balls of the same size and of masses m(1) and m(2) (m(1) gt ...

    Text Solution

    |

  3. Block A and C start from rest and move to the right with acceleration ...

    Text Solution

    |

  4. In the arrangement shown in figure m(1)=1kg, m(2)=2kg, pullyes are mas...

    Text Solution

    |

  5. Assuming the gravity to be in negative z-direction, a force F=vxxA is ...

    Text Solution

    |

  6. System shown in fig is in equilibrium and at rest. The spring and stri...

    Text Solution

    |

  7. In the figure the wedge is pushed with an acceleration of sqrt3 m//s ^...

    Text Solution

    |

  8. The pulley shown in the diagram is frictionless. A cat of mass 1kg mov...

    Text Solution

    |

  9. A particle is moving in a circular path. The acceleration and moment o...

    Text Solution

    |

  10. The graph describes an airplane's acceleration during its take-off run...

    Text Solution

    |

  11. A physics textbook of mass m rests flat on a horizontal table of mass ...

    Text Solution

    |

  12. A rhombus ABCD is shown in the fig The sides of the rhombus can rotate...

    Text Solution

    |

  13. An elevator is accelerating upwards with an acceleration of 6m//s^(2) ...

    Text Solution

    |

  14. The figure shows the position-time (x-t) graph of one-dimensional moti...

    Text Solution

    |

  15. A particle of mass m is at rest at the origin at time t=0 It is subjec...

    Text Solution

    |

  16. If a simple pendulum has significant amplitude (up to a factor of1//e ...

    Text Solution

    |

  17. A particle tied to a string describes a vertical circular motion of ra...

    Text Solution

    |

  18. A space- craft of mass 100 kg breaks into two, when its velocity is 10...

    Text Solution

    |

  19. An inclined plane makes an angle 30^(@) with the horizontal. A groove ...

    Text Solution

    |

  20. Find the acceleration of block B realtive to the ground if the block A...

    Text Solution

    |