Home
Class 11
PHYSICS
A man of 50 kg mass is standing in a gra...

A man of `50 kg` mass is standing in a gravity free space at a height of `10m` above the floor. He throws a stone of `0.5 kg` mass downwards with a speed `2m//s`. When the stone reaches the floor, the distance of the man above the floor will be

A

9.9 m

B

10.1 m

C

10 m

D

20 m

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos
  • Kinetic Theory of gases

    SL ARORA|Exercise Example|47 Videos
  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 Videos

Similar Questions

Explore conceptually related problems

In a gravity free space, man of mass M standing at a height h above the floor, throws a ball of mass m straight down with a speed u . When the ball reaches the floor, the distance of the man above the floor will be.

A man of mass m=2kg is standing on a platform of mass M=5kg , then at any instant.

A man of mass 60 kg is standing on a boat of mass 140 kg, which is at rest in still water. The man is initially at 20 m from the shore. He starts walking on the boat for 4 s with constant speed 1.5 m/s towards the shore. The final distance of the man from the shore is

A boy of mass 60kg is standing over a platform of mass 40kg placed over a smooth horizontal surface. He throws a stone of mass 1kg with velocity v=10m//s at an angle of 45^@ with respect to the ground. Find the displacement of the platform (with boy) on the horizontal surface when the stone lands on the ground. Take g=10m//s^2 .

A young man of mass 60 kg stands on the floor of a lift which is acceleration downwards at 1m//s^(2) then the reaction of the floor of the lift on the man is (Take g = 9.8 m//s^(2) )

A man of mass 90 kg is standing in a lift whose cable broke suddenly. If thelift falls freely, the force exerted by the floor on the man is

what is the momentum of a man of mass 75kg when he walks with a velocity of 2m//s ?

A wooden plank of mass 20kg is resting on a smooth horizontal floor. A man of mass 60kg starts moving from one end of the plank to the other end. The length of the plank is 10m . Find the displacement of the plank over the floor when the man reaches the other end of the plank.

SL ARORA-Laws of Motion-Exercise
  1. A monkey is decending from the branch of a tree with constant accelera...

    Text Solution

    |

  2. The mass of a lift is 2000kg . When the tensioon in the supporting cab...

    Text Solution

    |

  3. A man of 50 kg mass is standing in a gravity free space at a height of...

    Text Solution

    |

  4. A person of mass 60 kg is inside a lift of mass 940 kg and presses the...

    Text Solution

    |

  5. A man fires a bullet of mass 200 g at a speed of 5 m //s . The gun is ...

    Text Solution

    |

  6. A 1 kg stationary bomb is exploded in three parts having mass 1 : 1 : ...

    Text Solution

    |

  7. A body of mass 5 kg explodes at rest into three fragments with masses ...

    Text Solution

    |

  8. An explosion blows a rock into three parts. Two parts go off at right ...

    Text Solution

    |

  9. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |

  10. A mass m moving horizontal (along the x-axis) with velocity v collides...

    Text Solution

    |

  11. A 600 kg rocket is set for vertical firing. If the exhaust speed is 10...

    Text Solution

    |

  12. A 5000 kg rocket is set of vertical firing. The exhaust speed is 800" ...

    Text Solution

    |

  13. A balloon with mass m is descending down with an acceleration a (where...

    Text Solution

    |

  14. Three blocks with masses m , 2m and 3m are connected by strings, as sh...

    Text Solution

    |

  15. Two masses as shown are suspended from a massless pulley. Calculate th...

    Text Solution

    |

  16. Three blocks A , B and C of masses 4kg , 2kg and 1kg respectively are ...

    Text Solution

    |

  17. A block of mass 10kg is placed on a rough horizontal surface having co...

    Text Solution

    |

  18. On the horizontal surface of a truck (mu=0.6) a block of mass 1 kg is...

    Text Solution

    |

  19. Consider a car moving along a straight horizontal road with a speed of...

    Text Solution

    |

  20. A heavy uniform chain lies on a horizontal table-top. If the coefficie...

    Text Solution

    |