Home
Class 12
PHYSICS
A ball of mass 400 gm is dropped from a ...

A ball of mass 400 gm is dropped from a height of 5m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 100N so that it attains a vertical height of 20m. Find the time for which the ball remains in contact with the bat 

A

0.12 s

B

0.24 s

C

0.36 s

D

0.48 s

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise MOTION IN A PLANE|79 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

  • ATOMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|21 Videos

Similar Questions

Explore conceptually related problems

A ball is released from a height of 10 m. If it loses 20% of its energy on hitting the ground, the height to which it bounces is

A ball is thrown vertically upwards with a velocity of 20ms^-1 from the top of a multistorey building. The height of the point from where the ball is thrown is 25.0 m from the ground. How high will the ball rise?

A ball is dropped vertically, from a height h above the ground. It hits the ground and bounces up vertically to a height h/2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h as

AAKASH SERIES-APPENDICES (REVISION EXERCISE)-LAW OF MOTION
  1. A force of 20 N acts on a body of mass 5kg at rest. What is the accele...

    Text Solution

    |

  2. A truck starts from rest and accelerates uniformly at 2.0ms^(-2). At t...

    Text Solution

    |

  3. A ball of mass 400 gm is dropped from a height of 5m. A boy on the gro...

    Text Solution

    |

  4. A batsman deflects a ball by an angle of 60^@ without changing its ini...

    Text Solution

    |

  5. A body of mass 5 kg is at rest. Three force F(1) = 10 N due North F2=1...

    Text Solution

    |

  6. The momentum of a body in two perpendicular direction at any time 't' ...

    Text Solution

    |

  7. A bullet is fired from a gun. The force on the bullet is given by F = ...

    Text Solution

    |

  8. A body of mass 5kg starts from the origin with an initial velocity of...

    Text Solution

    |

  9. A 15Kg mass is accelerated from rest with a force of 100N. As it moves...

    Text Solution

    |

  10. A cart loaded with sand moves along a horizontal plane due to a consta...

    Text Solution

    |

  11. Two billiard balls each of mass 0.05 kg moving in opposite directions ...

    Text Solution

    |

  12. The driver of a three -wheeler moving with a speed of 36 km/ h sees a ...

    Text Solution

    |

  13. If the average velocity of a body moving with uniform acceleration und...

    Text Solution

    |

  14. Five persons A, B, C, D & E are pulling a cart of mass 100kg on a smoo...

    Text Solution

    |

  15. A box is put on a scale which is adjusted to read zero, when the box i...

    Text Solution

    |

  16. Water is flowing at a speed of 1.5ms^(-1) through a horizontal tube of...

    Text Solution

    |

  17. Two particles of masses m(1) and m2 in projectile motion have velocit...

    Text Solution

    |

  18. A bomb falling freely bursts after 10 sec. (g=10ms^2) into two fragmen...

    Text Solution

    |

  19. An object initially at rest explodes into three fragments A, B and C. ...

    Text Solution

    |

  20. A shell of mass m is fired from a cannon at angle q to horizontal with...

    Text Solution

    |