Home
Class 12
PHYSICS
Two blocks of masses 6 kg and 3 kg are a...

Two blocks of masses 6 kg and 3 kg are attached to the two ends of a massless spring of spring constant `2 pi^(2) N//m`. If spring is compressed and released on a smooth horizontal surface then find the time period (in seconds) of each block.

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
B

`T = 2 pi sqrt((mu)/(k)),mu=(6 xx3)/(6+3) =2kg`
Promotional Banner

Topper's Solved these Questions

  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.30|9 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.31|20 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.28|9 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise High Level Problems (HIP)|21 Videos
  • ELECTRO MAGNETIC WAVES

    RESONANCE|Exercise Exercise 3|27 Videos

Similar Questions

Explore conceptually related problems

A block of mass m is attached to one end of a mass less spring of spring constant k. the other end of spring is fixed to a wall the block can move on a horizontal rough surface. The coefficient of friction between the block and the surface is mu then the compession of the spring for which maximum extension of the spring becomes half of maximum compression is .

Two blocks of masses m and m' are connected by a light spring on a horizontal frictionless table . The spring is compressed and then released . Find the ratio of acceleration of masses .

Two blocks of masses m_(1) and m_(2) are connected by a massless spring and placed on smooth surface. The spring initially stretched and released. Then :

Two blocks of mass 10 kg and 2 kg are connected by an ideal spring of spring constant K = 800 N//m and the system is placed on a horizontal surface as shown. The coefficient of friction between 10 kg block and surface is 0.5 but friction is absent between 2 kg and the surface. Initially blocks are at rest and spring is relaxed. The 2 kg block is displaced to elongate the spring by 1 cm and is then released. (a) Will 10 kg block move subsequently? (b) Draw a graph representing variation of magnitude of frictional force on 10 kg block with time. Time t is measured from that instant when 2 kg block is released to move.

Two blocks of masses m = 2 kg and m = 8 kg are connected to a spring of force constant K = 1 kN//m . The spring is compressed by 20 cm and the two blocks are held in this position by a string. The system is placed on a horizontal smooth surface and given a velocity u = 3 m//s perpendicular to the spring. The string snaps while moving. Find the speed of the block of mass m when the spring regains its natural length.

Two blocks of masses 1 kg and 3 kg are moving with velocities 2 m//s and 1 m//s , respectively , as shown. If the spring constant is 75 N//m , the maximum compression of the spring is

Two blocks of mass 10 kg and 2 kg are connected by an ideal spring of spring constant 1000 N/m and the system is placed on a horizontal surface as shown. The coefficient of friction between 10 kg block and surface is 0.5 but friction is assumed to be absent between 2 kg and surface. Initially blocks are at rest and spring is unstretched then 2 kg block is displaced by 1 cm to elongate the spring then released. Then the graph representing magnitude of frictional force on 10 kg block and time t is : (Time t is measured from that instant when 2 kg block is released to move)

A block of mass m is connected to another block of mass M by a massless spring of spring constant k . the blocks are kept of a smooth horizontal plane and are at rest. The spring is unstretched when a constant force F starts acting on the block of mass M of pull it. Find the maximum extension of the spring

Two blocks of mass 2 kg and 4 kg are accelerated with same acceleration by a force 10 N as shown in figure on a smooth horizontal surface. Then the spring force between the two blocks will be (spring is massless)

RESONANCE-DAILY PRACTICE PROBLEM-DPP No.29
  1. If the coefficient of friction between A and B is mu, the maximum acce...

    Text Solution

    |

  2. The force acting on a particle moving along a straight line varies wit...

    Text Solution

    |

  3. A moving particle is acted upon by several forces F(1),F(2),F(3)….etc....

    Text Solution

    |

  4. A table fan rotating at a speed of 2400 rpm is switched off and the r...

    Text Solution

    |

  5. Graphs shows the acceleration of a 3 kg particle as an applied force m...

    Text Solution

    |

  6. Inside a horizontal moving box, an experimenter finds that when an obj...

    Text Solution

    |

  7. A man is supplying a constant power of 500(J)/(s) to a massless string...

    Text Solution

    |

  8. A trolley is being up an incline plane by a man inside the trolley He ...

    Text Solution

    |

  9. A motor is fixed inside a box which is moving upwards with velocity 5 ...

    Text Solution

    |

  10. A block A is kept on a rough inclined plane. Initially theta = 0. The ...

    Text Solution

    |

  11. The graph in the figure shows how the displacement of a particle descr...

    Text Solution

    |

  12. Two blocks of masses 6 kg and 3 kg are attached to the two ends of a m...

    Text Solution

    |

  13. An orbit electron in the ground state of hydrogen has an angular momen...

    Text Solution

    |

  14. The frequencies of x-rays, gamma rays and ultra-violet rays are respec...

    Text Solution

    |

  15. A person with a defective sight is using a lens having a power of +2D....

    Text Solution

    |

  16. During a negative beta decay,

    Text Solution

    |

  17. Two charges q(1) and q(2) are placed 30 cm apart, as shown in the figu...

    Text Solution

    |

  18. The electric potential at a point in free space due to a charge Q coul...

    Text Solution

    |

  19. A metallic sphere floats in an immiscible mixture of water (rho(w)=10^...

    Text Solution

    |

  20. In an alpha -decay, the kinetic energy of alpha-particles is 48 MeV a...

    Text Solution

    |