Home
Class 11
PHYSICS
Find the kinetic energy when 2 gm bullet...

Find the kinetic energy when 2 gm bullet moves with the velocity of 500 m/s .

Text Solution

Verified by Experts

Kinetic energy `=1/2 mv^(2) = 250` Joule
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - D NCERT Exemplar Solutions (Multiple Choice Questions)|21 Videos

  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - D NCERT Exemplar Solutions (Very Short Answer Type Questions)|12 Videos

  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - B Numericals (Numerical From .DARPAN. Based On Textbook)|15 Videos

  • WAVES

    KUMAR PRAKASHAN|Exercise SECTION-F (Questions From Module) (Sample questions for preparation of competitive exams)|23 Videos

Similar Questions

Explore conceptually related problems

Find the kinetic energy of a ball of 250 g mass, moving at a velocity of 40 cm/s.

Find the kinetic energy of a particle of mass 200 g moving with velocity 3hat(i)-5hat(j)+4hat(k) m//s .

A ball moving vertically downward with a speed of 10 m//s collides with a platform. The platform moves with a velocity of 5 m//s in downward direction. If e = 0.8 , find the speed (in m//s ) of the ball just after collision.

A bullet of mass 10g Is fired from a rifle. The bullet passes through a barrel in 0.003s and moves with the velocity of 300 ms^(-1) Find out the force applied to the bullet by the rifle

Does the Kinetic energy of a car change more when it goes from 10 m/s to 20 m/s or when it goes from 20 m/s to 30 m/s.?

Assertion : In case of bullet fired from gun, the ratio of kinetic energy of gun and bullet is equal to ratio of mass of bullet and gun. Reason : In firing, momentum is conserved

A particle moving with uniform acceleration passes the point x=2m with velocity 20 m//s at the instant t=0 . Some time later it is observed at the point x=32 m moving with velocity 10 m//s .What is its acceleration ?What is its velocity at 8 sec?

A ball A moving with a velocity 5 m/s collides elastically with another identical ball at rest such that the velocity of A makes an angle of 30^(@) with the line joining the centres of the balls. Then consider following statements : (A) Balls A an B move at right angles after collision (B) kinetic energy is conserved (C) speed of A after collision is (5/2) m/s (D) speed of B after collision is ( 5sqrt(3)//2 ) m/s Select correct alternative :-

A particle moves in straight line in same direction for 20 seconds with velocity 3 m//s and the moves with velocity 4 m//s for another 20 sec and finally moves with velocity 5 m//s for next 20 seconds. What is the average velocity of the particle?

KUMAR PRAKASHAN-WORK, ENERGY AND POWER -SECTION - C Objective Questions (VSQs)
  1. One body is displaced in the direction of X - axis up to 4 meter under...

    Text Solution

    |

  2. What will be the work done on the body moving with constant speed ?

    Text Solution

    |

  3. Find the kinetic energy when 2 gm bullet moves with the velocity of 50...

    Text Solution

    |

  4. The unit of spring constant is Jm^(-2) .Is the statement true or false...

    Text Solution

    |

  5. Which physical quantity is obtain by negative value of derivative of p...

    Text Solution

    |

  6. 1 Meg watt = ……….. erg/second .

    Text Solution

    |

  7. Why potential energy of a body increases when it is carried from the e...

    Text Solution

    |

  8. Which nuclear process occur in atom bomb ? Or write the principle of ...

    Text Solution

    |

  9. Which nuclear process occur in hydrogen bomb ? Or write the principle ...

    Text Solution

    |

  10. In which condition ,work done on the body does nit increase its kineti...

    Text Solution

    |

  11. If two bodies experience collision when they are moving opposite to e...

    Text Solution

    |

  12. It work done positive or negative for stretched spring ?

    Text Solution

    |

  13. What happens in a eleastic collision of two identical bodies moving op...

    Text Solution

    |

  14. Write the condition for conservative forces .

    Text Solution

    |

  15. Is the work done by non conservative force is always negative ? Discu...

    Text Solution

    |

  16. What is head -on collision ?

    Text Solution

    |

  17. At which position (point) pendulum of a clock have maximum speed ?

    Text Solution

    |

  18. If mechanical work done on the body then kinetic energy increases or d...

    Text Solution

    |

  19. If E - V lt 0 ,then this position is possible ?

    Text Solution

    |

  20. Write the types of collision . (a) Collision between negative charge...

    Text Solution

    |