Home
Class 11
PHYSICS
A body of mass 100g is dropped from the ...

A body of mass 100g is dropped from the top of a tower 100m high. Find its kinetic energy
(ii) just before it touches the ground.

Text Solution

Verified by Experts

The correct Answer is:
98 J
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion-reason type)|7 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -I|49 Videos

  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass 100g is dropped from the top of a tower 100m high. Find its kinetic energy (i) one second after the drop,

A body of mass 10 kg falls from a height of 10 m. What will be its kinetic energy just before it touches the ground ? Prove that, this kinetic energy is equal to the potential stored at the initial position of the body. [g=980 cm *s^(-2) ]

A body of mass 1 kg falls to the ground from the roof of a building 20 m high. Find its (ii) velocity when it reaches the ground,

A body of mass 10 kg is thrown vertically upwards with a velocity of 2m*s^(-1) from top of a tower of height 10 m . What will be its kinetic energy when it strikes the ground ?

A stone is dropped from the top of a tower 400 m high. At the same time another stone is thrown upwards from the ground with a velocity of 100 "m.s"^(-2) . When and where will they meet each other? [g = 9.8 "m.s"^(-2) ]

A body of mass 1 kg is thrown with a velocity of 250 cm *s^(-1) , from a height 8m above the earth's surface . What will be its kinetic energy just before it touches the ground ?

A body of mass 1 kg falls to the ground from the roof of a building 20 m high. Find its (iii) Maximum kinetic energy and

A body of mass 1 kg falls to the ground from the roof of a building 20 m high. Find its (iv) kinetic and potential energies at a position 2 m above the earth's surface.

A body of mass 1 kg falls to the ground from the roof of a building 20 m high. Find its (i) initial potential energy,

A stone is dropped from the top of a tower 50 m high. Simultaneously another stone is thrown upwards from the ground with a speed of 20 "m.s"^(-1) . Calculate the time at which both the stone cross each other.

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -II
  1. A motor boat is moving at a steady speed of 36.km*h^(-1). If the water...

    Text Solution

    |

  2. A body of mass 100g is dropped from the top of a tower 100m high. Find...

    Text Solution

    |

  3. A body of mass 100g is dropped from the top of a tower 100m high. Find...

    Text Solution

    |

  4. Find the acceleration of a body falling down a rough plane, inclined a...

    Text Solution

    |

  5. Two particles of masses m1 and m2 move on the same plane. If their re...

    Text Solution

    |

  6. A bullet of mass m moving with a horizontal velocity v entered a bloc...

    Text Solution

    |

  7. A particle of mass 5g is moving with a velocity of 10 cm*s^(-1) along ...

    Text Solution

    |

  8. What is the energy required to raise water through 20m , at 90 litre p...

    Text Solution

    |

  9. The kinetic energy of a body increases by 300 % . How much linear mome...

    Text Solution

    |

  10. A bullet of mass 20 g moving with a speed of 500 cm*s^(-1) is just ab...

    Text Solution

    |

  11. A particle of mass 0.5 kg travels in a straigh line with a velocity v=...

    Text Solution

    |

  12. A body of mass 1 kg is tied with a thread of length 20 cm and is rot...

    Text Solution

    |

  13. A pendulum bob of mass m is displaced through an angle theta from its...

    Text Solution

    |

  14. A ball of mass M is hanging from the lower end of a string of length ...

    Text Solution

    |

  15. A small body is placed at the top of a smooth sphere of radius r. wha...

    Text Solution

    |

  16. A body of mass 40 kg is tied at one end of a string of length l. The...

    Text Solution

    |

  17. A nail is located at a certain distance vertically below the point of ...

    Text Solution

    |

  18. A body weighing 0.4 kg is whirled in a vertical circle making 2 revolu...

    Text Solution

    |

  19. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |

  20. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |