Home
Class 11
PHYSICS
A body falling freely under gravity pas...

A body falling freely under gravity passes two points 30 m apart in 1 s. find from what point above the upper point it began to fall ? Take g `9.8^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
32. 1 m
Promotional Banner

Topper's Solved these Questions

  • MOTION IN ONE DIMENSION

    SL ARORA|Exercise problem|19 Videos
  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos
  • OSCILLATIONS

    SL ARORA|Exercise Exercise|233 Videos

Similar Questions

Explore conceptually related problems

A body falling freely under gravity passes two points 30 m apart in 1 s. From what point above the upper point it began to fall? (Take g = 9.8 m s^(-2) ).

A body falling freely under the action of gravity passes 2 points 9 m apart vertically in 0.2 s. From what height above the higher point did it start to fall?

A body is falling freely under gravity. It passes two points A and B (A being higher than B) 20m apart vertically in 2s. Find the elevation of the point above A from where it began to fall.

A bullet of mass 20g is found to pass two points 30m apart in 4 s? Assuming the speed to be constant, find its kinetic energy?

A body falling freely on a planet covers 18 m in 3 s. What is the time period of a simple pendulum of length 1 m on the planet ?

A body of masss 1kg is allowed to fall freely under gravity. Find the mimimum and kinetic energy of the body 5 second after it starts falling. Take g= 10 ms^(-2)

A ball is thrown up with a speed of 15 m//s . how high will it go before it begins to fall ? Take g=9.8 m//s^(2) .

A particle of mass m is released from rest at point A in the figure falling freely under gravity parallel to the vertical Y -axis. The magnitude of angular momentum of particle about point O when it reaches B is (where OA=b and AB=h )

SL ARORA-MOTION IN ONE DIMENSION-problems for self practice
  1. A stone is dropped from the top of a tower 200 m high. At the same tim...

    Text Solution

    |

  2. A body is dropped from the top a towar 150 m, and sumultaneously, anot...

    Text Solution

    |

  3. A body falling freely under gravity passes two points 30 m apart in ...

    Text Solution

    |

  4. A stone is dropped from the top of tall tower and one second later ano...

    Text Solution

    |

  5. A parachutist after bailing out falls 50 m ,whitout friction. When the...

    Text Solution

    |

  6. A body falling freely from rest from the top of a tower describes 60.1...

    Text Solution

    |

  7. A stone is dropped from a balloon at an altitude of '300 m'. How ling...

    Text Solution

    |

  8. four balls are dropped from the top of a tower at intervals of one - ...

    Text Solution

    |

  9. A particle moves along X-axis in such a way that its coordinate X vari...

    Text Solution

    |

  10. The displacement of a particle along the x-axis is given by x=3+8t+7t^...

    Text Solution

    |

  11. the distance traversed by a particle moving along a stranigt line is g...

    Text Solution

    |

  12. Shows the position-time graphs of three cars A,B and C On the basis of...

    Text Solution

    |

  13. An insect crawling up a wall crawls 3 cm upwords in the first minute ...

    Text Solution

    |

  14. a driver of a car travelling at 52 km//h applies the brakes and accele...

    Text Solution

    |

  15. starting form rest a cars moves with unifrom acceleration and attia...

    Text Solution

    |

  16. fig 3.36 showns the velocity time graph of a rocket projeted upwards...

    Text Solution

    |

  17. A motor car, starting from rest, moves with uniform acceleration and a...

    Text Solution

    |

  18. The velocity-time graph of an object moving along a straight line is a...

    Text Solution

    |

  19. As soon as a car just starts from rest in a certain direction, a scoot...

    Text Solution

    |

  20. Fig. 3.39 shows the acceleration - time graph for a particle in rectil...

    Text Solution

    |