Home
Class 11
PHYSICS
A body falls from rest freely under grav...

A body falls from rest freely under gravity with an acceleration of `9.8 m//s^(2)`. Neglecting air resistance, the distance travelled by the body during the third second of its motion will be:

A

14.7 m

B

24.5 m

C

19.6 m

D

29.4 m

Text Solution

Verified by Experts

The correct Answer is:
B
`s = u + (1)/(2) g (2t - 1)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise More than one choice is correct|16 Videos

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise Assertion Reason|12 Videos

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise Problems and Practice|16 Videos

  • FRICTION AND CIRCULAR MOTION

    GRB PUBLICATION|Exercise Comprehension type|11 Videos

  • MOTION IN TWO AND THREE DIMENSIONS

    GRB PUBLICATION|Exercise All Questions|210 Videos

Similar Questions

Explore conceptually related problems

An object undergoes an acceleration of 8 m//s^(2) starting from rest. Find the distance travelled in 1 second.

A body starting from rest has an acceleration of 5m//s^(2) . Calculate the distance travelled by it in 4^(th) second.

A body starts from rest, what is the ratio of the distance travelled by the body during the 4th and 3rd s?

A body starting from rest is moving with a uniform acceleration of 8m/s^(2) . Then the distance travelled by it in 5th second will be

A body starts from rest. What is the retio of the distance traveled by the body during the 4^(th) and 3^(rd) seconds

A body starts from rest from the origin with an acceleration of 6m//s^(2) along the x-axis and 8m//s^(2) along the y-axis. Its distance from the origin after 4 seconds will be

A body starting from test along straight line is traveling with an acceleration of 6 m s^(-1) , then the distance traveled by it in the 3rd seconds is ___________m

A body starts from rest, if the ration of the distance travelled by the body during the 4th and 3rd second is x/5 . Find the valud of x.

GRB PUBLICATION-MOTION IN A STRAIGHT LINE-Objective question
  1. A body is released from the top of a tower of height h. It takes t sec...

    Text Solution

    |

  2. A body is released from a great height and falls freely towards the ea...

    Text Solution

    |

  3. A body falls from rest freely under gravity with an acceleration of 9....

    Text Solution

    |

  4. A stone is thrown upwards from the surface of the earth with an initia...

    Text Solution

    |

  5. An object is projected upwards with a velocity of 4.9 m/s. It will str...

    Text Solution

    |

  6. A boy throws balls into air.He throws one, whenver the previous one is...

    Text Solution

    |

  7. A pebble is thrown vertically upwards from a bridge with an height of ...

    Text Solution

    |

  8. A ball is thrown vertically upwards with a speed of 10 m//s from the t...

    Text Solution

    |

  9. A wooden block is dropped from the top of a cliff 100m high and simult...

    Text Solution

    |

  10. A stone is dropped into a lake from a tower 500 metre high. The sound ...

    Text Solution

    |

  11. A block slides down a smooth inclined plane when released from the top...

    Text Solution

    |

  12. The time taken by a particle to slide down a smooth inclined plane is ...

    Text Solution

    |

  13. Between two stations a train starting from rest first accelerates unif...

    Text Solution

    |

  14. A ball is thrown vertically upwards from the ground. If T1 and T2 are ...

    Text Solution

    |

  15. Name the property of bodies due to which they resist change in their s...

    Text Solution

    |

  16. Velocity-time curve for a body projected vertically upwards is with ti...

    Text Solution

    |

  17. If earth stands still what will be its effect's on man's weigh

    Text Solution

    |

  18. The displacement-time graph for two particles A and B are straight lin...

    Text Solution

    |

  19. The displacement of a particle as a function of time is shown in . It ...

    Text Solution

    |

  20. The Figure-1.109 shows the displacement-time graph ofa body subject on...

    Text Solution

    |