Home
Class 11
PHYSICS
A particle of mass 5g is moving with a v...

A particle of mass 5g is moving with a velocity of `10 cm*s^(-1)` along a straight line. A force of `10 sqrt(2)`dyn is applied at an angle of `45^@` with the direction of motion of the particle . Find the change in kinetic energy of the particle in 1 s.

Text Solution

Verified by Experts

The correct Answer is:
120 erg
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion-reason type)|7 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -I|49 Videos
  • WBCHSE QUESTION PAPER -2019

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

Similar Questions

Explore conceptually related problems

A body of mass 5g is moving in a straight line with a velocity of 10 cm *s^(-1) . A force of 10 sqrt(2) dyn is applied on the body at an angle of 45^@ with the line of motion. What is the change in kinetic energy of the body in 1 st second ?

Calculate the kinetic energy of a bullet of mass 50 g moving with a velocity of 200 m*s^(-1) .

A body of mass 10 kg is moving with a velocity of 100 m/s. find the force needed to stop it in 5 seconds.

A particle is moving in a circular path of radius r with constant speed. Due to change in the direction of motion of the particle continously, the velocity of the particle is changing . But the kinetic energy of the particle remains the same. Explain why ?

A particle moves for 1 minute with a velocity of 15 m/s and moves for 0.5 minute with a velocity of 10 m/s. the average speed of particle is

A body of mass 4kg is moving with a momentum of 8 kg *m*s^(-1) . A force of 0.4 N acts on it in the direction of motion of the body for 10 seconds. Determine the increases in kinetic energy in joules.

After a collision with an ideal spring , a body of mass 8g , moving with a constant velocity of 10 cm *s^(-1) comes to rest. Force constant of the spring is 200 dyn *cm ^(-1) . If the total kinetic energy of the body is spent in compressing the spring , find the compression.

A particle is moving with a uniform acceleration along a straight line AB. Its velocity at A and B are 2 m/s and 14 m/s respectively. Then

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -II
  1. Two particles of masses m1 and m2 move on the same plane. If their re...

    Text Solution

    |

  2. A bullet of mass m moving with a horizontal velocity v entered a bloc...

    Text Solution

    |

  3. A particle of mass 5g is moving with a velocity of 10 cm*s^(-1) along ...

    Text Solution

    |

  4. What is the energy required to raise water through 20m , at 90 litre p...

    Text Solution

    |

  5. The kinetic energy of a body increases by 300 % . How much linear mome...

    Text Solution

    |

  6. A bullet of mass 20 g moving with a speed of 500 cm*s^(-1) is just ab...

    Text Solution

    |

  7. A particle of mass 0.5 kg travels in a straigh line with a velocity v=...

    Text Solution

    |

  8. A body of mass 1 kg is tied with a thread of length 20 cm and is rot...

    Text Solution

    |

  9. A pendulum bob of mass m is displaced through an angle theta from its...

    Text Solution

    |

  10. A ball of mass M is hanging from the lower end of a string of length ...

    Text Solution

    |

  11. A small body is placed at the top of a smooth sphere of radius r. wha...

    Text Solution

    |

  12. A body of mass 40 kg is tied at one end of a string of length l. The...

    Text Solution

    |

  13. A nail is located at a certain distance vertically below the point of ...

    Text Solution

    |

  14. A body weighing 0.4 kg is whirled in a vertical circle making 2 revolu...

    Text Solution

    |

  15. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |

  16. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |

  17. What percentage of KE of a moving particle is transferred to a station...

    Text Solution

    |

  18. Radius of an iron is 2 cm. The ball is kept at rest on a frictionless ...

    Text Solution

    |

  19. The mass of air striking the blades of a windmill every second is 400...

    Text Solution

    |

  20. From a waterfall 60 m high, water falls at a rate of 27 m^3*s^(-1). If...

    Text Solution

    |