Home
Class 11
PHYSICS
A body dropped from a height h with an i...

A body dropped from a height h with an initial speed zero reaches the ground with a velocity 3km/h . Another identical body was dropped from the same height with an initial speed of 4 km/h. It will reach the ground with a velocity`

A

3 km/h

B

4 km/h

C

5 km/h

D

12 km/h

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS - 1

    BINA LIBRARY|Exercise EXERCISE|67 Videos
  • KINEMATICS-II

    BINA LIBRARY|Exercise EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

A ball falls under gravity from a height of 10m with an initial velocity. It collides with the ground,loses 50% of its engery and then rises to the same height.Find the initial velocity.

Explain why a body dropped from rest and another projected horizontally from the same height strike the ground at the same time.

A body is released from the top of a tower of height h meters. It takes t seconds to reach the ground. Where is the body at time t/2 seconds?

A body falling from a height travels 40 m in the last 2s of its fall to ground. The height in meter is

Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg, (a) just after it is dropped from the window of a stationary train,(b) just after it is dropped from the window of a train running at a constant velocity of 36 km/h,just after it is dropped from the window of a train accelerating with 1 ms^2,just after it is dropped from the window of a train accelerating with 1M/S2

A body slides down a smooth inclined plane when released from the top , while another body falls freely from the same point. Which one will strike the ground earlier?

A stone is dropped from a rising balloon at a height of 75 m above the ground. It reaches the ground in 6 seconds. Calculate the velocity of the balloon just at the moment when the stone is dropped.

A body is allowed to fall from a height of 20 metres from the ground. How much time will take to reach the ground? What will be its velocity just a moment before hitting the ground?

A ball dropped from a height og h.If the co-efficient of restitution be e , to what height will it rise after jumping twice from the ground.

A ball is projected horizontally from certain height. At the same time another ball is dropped? Which of the two will land on the ground first? Why?

BINA LIBRARY-KINEMATICS - 1-EXERCISE
  1. A stone dropped into a lake form a tower 500 m high. The sound of spla...

    Text Solution

    |

  2. The velocity of a body depends on time according to v = 20 + 0.1t^2 . ...

    Text Solution

    |

  3. If X = at + bt^2 , where X is distance travelled by a body in km while...

    Text Solution

    |

  4. The equation sqrtx = t+9 gives the variation of displacement with time...

    Text Solution

    |

  5. A body starts from rest. The ratio of the distances travelled by it du...

    Text Solution

    |

  6. A body is released from a height and falls freely. Another body is rel...

    Text Solution

    |

  7. A body dropped from a height h with an initial speed zero reaches the ...

    Text Solution

    |

  8. Water drops fall at regular intervals from a tap, which is 5 m above t...

    Text Solution

    |

  9. A train 150 m in length is moving north at a speed of 10m/s. A parrot ...

    Text Solution

    |

  10. For a body moving along a straight line, the average velocity is equal...

    Text Solution

    |

  11. If the time-displacement graph of a particle is parallel to time-axis,...

    Text Solution

    |

  12. When a particle is moving with uniform velocity which of the following...

    Text Solution

    |

  13. The distance covered by a body moving along a straight line is proport...

    Text Solution

    |

  14. If a body starts from rest and travels 1.2 m in 8th second , then acce...

    Text Solution

    |

  15. The equation sqrtx = t+9 gives the variation of displacement with time...

    Text Solution

    |

  16. If X = at + bt^2 , where X is distance travelled by a body in km while...

    Text Solution

    |

  17. A body is released from the top of a tower of height h meters. It take...

    Text Solution

    |

  18. The distances travelled by a body falling freely from rest in the 1st,...

    Text Solution

    |

  19. An object is projected upward with a velocity of 100ms^-1 . It will st...

    Text Solution

    |

  20. A particle is moving eastward with a velocity of 5ms^-1 in 10s, the ve...

    Text Solution

    |