Home
Class 11
PHYSICS
A ball is rolled off along the edge of t...

A ball is rolled off along the edge of the table (horizontal ) with velocity ` 4 ms^(-1)` .It hits the ground after time ` 0.4 s. Which one of the following statements are wrong ? ( g= 10 ms^(-2)).

A

The height of the table is 0.8 m.

B

It hits the ground at angle of `60^@` with the vertical

C

It covers a horizontal distance 1.6 m from the table

D

It hits the ground with vertical velocity `4 m s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice Paper 2|50 Videos
  • PHYSICAL WORLD

    NCERT FINGERTIPS|Exercise Assertion And Reason|10 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTIONS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A ball is rolled off along the edge of the table (horizontal ) with velocity 4 ms^(-1) .If hits the ground after time 0.4 s. Which one of the following statements is wrong ? ( g= 10 ms^(-2)).

A ball is rolled off along the edge of a horizontal table with velocity 4m//s . It hits the ground after time 0.4s . Which of the following are correct?

A ball is rolled off along the edge of a horizontal table with velocity 4m//s . It hits the ground after time 0.4s . Which of the following are correct?

A ball is rolled off the edge of a horizontal table at a speed of 4 m//"second" . It hits the ground after 0.4 second . Which statement given below is true

A ball is rolled off the edge of a horizontally table at as speed of 4 m//s . It hits the ground after 0.8 s . (i) it hits the ground at a horizontal distance 3.2 m from the edge of the table (ii) The speed with which it hits the ground is 4sqrt(5) m//s (iii) Height of the table is 3.2 m (iv) it hits the ground at an angle of tan^(-1)(2) to the horizontally

A raindrop of mass 1g falling from a height of 1km hits is the ground with a speed of 50 ms^(-1) . Which of the following statements is correct? ("Taking" g= 10ms^(-2)) .

A projectile is projected in the upward direction making an angle of 45^@ with horizontal direction with a velocity of 150 ms^(-1) . Then the time after which its inclination with the horizontal is 30^@ is (g=10 ms^(-2)).

From the top of a tower, 80m high from the ground a stone is thrown in the horizontal direction with a velocity of 8 ms^(1) . The stone reaches the ground after a time t and falls at a distance of d from the foot of the tower. Assuming g=10ms^(2) , the time t and distance d are given respectively by

A body is projected horizontally with a velocity of 4 ms^(-1) from the top of a high tower. The velocity of the body after 0.7 is nearly (Take, g = 10 ms^(-2))

A ball rolls off the top of a staircase with a horizontal velocity u m//s . If the steps are h meter high and b meter wide, the ball will hit the edge of the nth steps, if:

NCERT FINGERTIPS-PRACTICE PAPERS-Practice Paper 3
  1. A man throws balls with the same speed vertically upwards one after th...

    Text Solution

    |

  2. In uniform circular motion

    Text Solution

    |

  3. A ball is rolled off along the edge of the table (horizontal ) with ve...

    Text Solution

    |

  4. Three masses of 1kg, 6 kg and 3 kg are connected to each other with th...

    Text Solution

    |

  5. A liquid of density rho flows along a horizontal pipe of uniform cross...

    Text Solution

    |

  6. A chain of uniform mass m and length L is held on a frictionless table...

    Text Solution

    |

  7. For the same total mass, which of the following will have the largest ...

    Text Solution

    |

  8. Kepler's second law is based on

    Text Solution

    |

  9. A spaceship is launched into a circular orbit close to the Earth's sur...

    Text Solution

    |

  10. A hole is drilled in a copper sheet. The diameter of the hole is 4.24 ...

    Text Solution

    |

  11. Two blocks M1 and M2 having equal masses are to move on a horizontal f...

    Text Solution

    |

  12. A block of mass m=2kg is resting on a rough inclined plane of inclinat...

    Text Solution

    |

  13. The density of a solid ball is to be determined in an experiment. The ...

    Text Solution

    |

  14. A floor-mat of mass M made up of extensible material, is rolled along ...

    Text Solution

    |

  15. A liquid of density rho0 is filled in a wide tank to a height h. A sol...

    Text Solution

    |

  16. A cyclic process ABCA is shown in the V-T diagram process on the P-V

    Text Solution

    |

  17. Two pendulums differ in lengths by 22m. They oscillate at the same pla...

    Text Solution

    |

  18. A body of mass 30 kg starts running rest along a ciruclar path of radi...

    Text Solution

    |

  19. A long glass tube is held vertically in water . A tuning fork is struc...

    Text Solution

    |

  20. A particle executes linear simple harmonic motion with an amplitude of...

    Text Solution

    |