Home
Class 11
PHYSICS
A man throws ball with the same speed ve...

A man throws ball with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two ball are in the sky at any time (Given `g=10(m)/(2^2)`)

A

At least `0.8 m//s `

B

Any speed less than `19.6 m//s`

C

Only with speed `19.6 m//s`

D

More than `19.6 m//s`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Graphical Questions|23 Videos

  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Assertion & Reason|30 Videos

  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Motion Under Gravity|81 Videos

  • GRAVITATION

    ERRORLESS |Exercise SET|27 Videos

  • MOTION IN TWO DIMENSION

    ERRORLESS |Exercise Exercise|319 Videos

Similar Questions

Explore conceptually related problems

A man throws balls with the same speed vertically upwards one after the other at an interval of 2s. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g = 9.8 m//s^(2) )

A person throws balls into the air one after the other at an interval ofone second. The next ball is thrown when the velocityof the ball thrown earlier is zero. To what height the ball rise:

A man throws ball into the air one after the other. Throwing one when other is at the highest point. How high the balls rise if he throws twice a second.

A boy is standing on top of a tower of height 85 m and throws a ball in the vertically upward direction with a certain speed. If 5.25 seconds later he hears the ball hitting the ground, then the speed with which the boy threw the ball is (take g = 10 m/s^(2) , speed of sound in air = 340 m/s)

Two balls are projected vertically upward with same speed 35 m/s in 3s interval. Find height at which both balls collide.

A man throws a ball weighing 500 g vertically upwards with a speed of 10 m/s (i) What will be its initial momentum? (ii) What would be its momentum at the highest point of its flight?

Two balls of equal masses are thrown upwards, along the same vertical direction at an interval of 2 seconds, with the same initial velocity of 40m//s . Then these collide at a height of (Take g=10m//s^(2) ).

Two balls are released from the same height at an interval of 2s. When will the separation between the balls be 20m after the first ball is released? Take g=10m//s^(2) .

A man throws a ball vertically upward and it rises through 20 m and returns to his hands. What was the initial velocity (u) of the ball and for how much time (T) it remained in the air [g = 10 m//s^(2)]

A ball projected from ground vertically upward is at same height at time t_(1) and t_(2) . The speed of projection of ball is [Neglect the effect of air resistance ]

ERRORLESS -MOTION IN ONE DIMENSION-Critical Thinking
  1. A particle moving in a straight line covers half the distance with spe...

    Text Solution

    |

  2. The acceleration of a particle is increasing linearly with time t as b...

    Text Solution

    |

  3. The motion of a body is given by the equation dv//dt=6-3v, where v is ...

    Text Solution

    |

  4. A particle of mass m moves on the x- axis as follows : it starts fro...

    Text Solution

    |

  5. A particle starting from rest. Its acceleration (a) versus time (t) is...

    Text Solution

    |

  6. A car accelerates from rest at a constant rate alpha for some time, af...

    Text Solution

    |

  7. A stone dropped from a building of height h and it reaches after t sec...

    Text Solution

    |

  8. A ball is projected upwards from a height h above the surface of the e...

    Text Solution

    |

  9. A particle is dropped from certain height. The time taken by it to fal...

    Text Solution

    |

  10. A man throws ball with the same speed vertically upwards one after the...

    Text Solution

    |

  11. If a ball is thrown vertically upwards with speed u, the distance cove...

    Text Solution

    |

  12. A particle starts sliding down a frictionless inclined plane. If S(n...

    Text Solution

    |

  13. Which of the following velocity-time graphs shows a realistic situatio...

    Text Solution

    |

  14. Which of the following velocity-time graphs (v-t graph) represent unif...

    Text Solution

    |

  15. Acceleration-time graph of a body is shown. The corresponding velocity...

    Text Solution

    |

  16. The given graph shows the variation of velocity with displacement. Whi...

    Text Solution

    |

  17. The acceleration time graph of a body is shown below the most probable...

    Text Solution

    |

  18. From the following displacement-time graph find out the velocity of a ...

    Text Solution

    |

  19. From the velocity time plot shown in figure find the distance travelle...

    Text Solution

    |