Home
Class 11
PHYSICS
The number of joules in 1 kg *m is...

The number of joules in `1 kg *m` is

A

9.8

B

980

C

1000

D

`10^5`

Text Solution

Verified by Experts

The correct Answer is:
A

`1 kg *m=1kgf xx1m =9.8Nxx1m =9.8 J`
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTIONS (WBJEE)|3 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTIONS (JEE Main)|8 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Integer answer type )|1 Videos
  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

1 joule =1……

The number of solutions of tanx-m x=0,m >1, in (-pi/2,pi/2) is (A) 1 (B) 2 (C) 3 (D) m

What is kg-mol ? Calculate the total number of electrons present in 1kg-mol of N_(2) .

In an atom, the total number of electrons having quantum numbers n=4, abs(m_l) =1 and m_s=-(1/2) is

The mean weight of 150 students of a class is 38 kg. If mean weight of the boys and the girls are 40 kg and 35 kg respectively, find the number of boys and girls.

The number of integral values of m for which the quadratic expression (1 + 2m)x^(2) - 2(1 + 3m)x + 4(1 + m), x in R , is always positive is

The velocity of a 10 kg mass is increased from 2m *s^(-1) to 4m*s^(-1) . The amount of work done in doing so is

State work-energy theorem. The momentum of a body of mass 5 kg is 500 kg*m*s^(-1) . Find its kinetic energy.

If the ratio of G.M. of two numbers to their H.M. is 5 : 4 , prove that the numbers are in the ratio of 4 : 1 .

CHHAYA PUBLICATION-WORK AND ENERGY-EXAMINATION ARCHIVE WITH SOLUTIONS (WBCHSE)
  1. The velocity of a moving body of mass m along positive.x axis is v=a s...

    Text Solution

    |

  2. Show that mechanical energy of a body sliding down freely along a smoo...

    Text Solution

    |

  3. If the coefficient of restitution is zero for collision between two bo...

    Text Solution

    |

  4. 1 joule =1……

    Text Solution

    |

  5. Give the definition of coefficient of restitution .Prove that for per...

    Text Solution

    |

  6. Mortars are thrown from a cannon. Prove that the KE at which a mortar ...

    Text Solution

    |

  7. Define gravitational unit of work done .

    Text Solution

    |

  8. Draw the graph representing linear momentum and change in kinetic ene...

    Text Solution

    |

  9. A particle of mass m is rotated in a circular path of radius r under t...

    Text Solution

    |

  10. Which of the following is not conserved in inelastic collision ?

    Text Solution

    |

  11. A stone tied to a string of length L is whirled in a vertical circle w...

    Text Solution

    |

  12. What is a conservative force ? Show that for a conservative force, wor...

    Text Solution

    |

  13. A body of mass m moving with a velocity u strikes elastically a stati...

    Text Solution

    |

  14. If there by perfectly elastic collision between two bodies of the same...

    Text Solution

    |

  15. The number of joules in 1 kg *m is

    Text Solution

    |

  16. The displacement of a body of mass 3 kg under the action of a force is...

    Text Solution

    |

  17. Which one of the kinematic equations states the work energy principle...

    Text Solution

    |

  18. A car of mass M moves upward with a constant speed v along an inclined...

    Text Solution

    |

  19. A particle moves from a points vecr1=hati+2hatj in metre to another po...

    Text Solution

    |

  20. Define conservative force. Show that the work done around a closed pat...

    Text Solution

    |