Home
Class 11
PHYSICS
A particle is thrown upwards from ground...

A particle is thrown upwards from ground. It experiences a constant resistance force which can produce a retardation of `2 ms^-2.` The ratio of time of ascent to time of descent 13 (`g = 10 ms^-2`)

A

`1:1`

B

`sqrt(2/3)`

C

`2/3`

D

`sqrt(3/2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS 1

    DC PANDEY ENGLISH|Exercise MCQ_TYPE|27 Videos
  • KINEMATICS 1

    DC PANDEY ENGLISH|Exercise COMPREHENSION_TYPE|19 Videos
  • KINEMATICS

    DC PANDEY ENGLISH|Exercise INTEGER_TYPE|10 Videos
  • LAWS OF MOTION

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|39 Videos

Similar Questions

Explore conceptually related problems

A body falls from 80 m. Its time of descent is [g = 10 ms^(-2)]

A person in lift which ascents up with acceleration 10 ms^(-2) drops a stone from a height 10 m. The time of decent is [g=10ms^(-2)]

For a projectile, the ratio of maximum height reached to the square of flight time is (g = 10 ms^(-2))

A balloon os mass 2 KG is rising up with an acceleration of 4m/s^2 . The upward force acting on the balloon is (g = 10 ms^-2)

12.A ball is thrown vertically upwards with speed u if it experience a constant air resistance force of magnitude f,then the speed with which ball strikes the ground ( weight of ball is w) is

12.A ball is thrown vertically upwards with speed u if it experience a constant air resistance force of magnitude f,then the speed with which ball strikes the ground ( weight of ball is w) is

A small ball of mass m is thrown upward with velocity u from the ground. The ball experiences a resistive force mkv^(2) where v is its speed. The maximum height attained by the ball is :

A bullet fired vertically up from the ground reaches a height 40 m in its path from the ground and it takes further time 2 seconds to reach the same point during descent. The total time of flight is (g=10 ms^(-2))

A scooter can produce a maximum acceleration of 5ms^(-2) .Its brakes can produce a maximum retardation of 10ms^(-2) .The minimum time in which it can cover a distance of 1.5 km is?

A particle starts moving with initial velocity u=25ms^-1 and retardation a=-2ms^-2 . Draw the velocity-time graph.

DC PANDEY ENGLISH-KINEMATICS 1-INTEGER_TYPE
  1. A particle is thrown upwards from ground. It experiences a constant re...

    Text Solution

    |

  2. A stone is dropped from a certain height which can reach the ground in...

    Text Solution

    |

  3. A car starts moving along a line, first with acceleration a=5m//s^(2) ...

    Text Solution

    |

  4. Two particles P and Q simultaneously start moving from point A with ve...

    Text Solution

    |

  5. If a particle takes t second less and acquire a velocity of vms^(-1) m...

    Text Solution

    |

  6. Speed time graph of two cars A and B approaching towards each other is...

    Text Solution

    |

  7. The acceleration-time graph of a particle moving along a straight line...

    Text Solution

    |

  8. A lift performs the first part of its ascent with uniform acceleration...

    Text Solution

    |

  9. A small electric car has a maximum constant acceleration of 1m//s^(2),...

    Text Solution

    |

  10. The diagram shows the variatioin of 1//v (where v is velocity of the p...

    Text Solution

    |

  11. Two particles are moving with velocities v(1)=hati-thatj+hatk and v(2)...

    Text Solution

    |

  12. A particle A moves with velocity (2hati-3hatj)m//s from a point (4,5m)...

    Text Solution

    |

  13. A ball is thrown upwards with a speed of 40m//s. When the speed become...

    Text Solution

    |

  14. Figure shows the velocity time graph for a particle travelling along a...

    Text Solution

    |

  15. Two bodies A and B are moving along y-axis and x -axis as shown. Find ...

    Text Solution

    |

  16. The 1//v versus positions graph of a particle is shown in the figure, ...

    Text Solution

    |