Home
Class 12
PHYSICS
A particle of mass 2kg start motion form...

A particle of mass 2kg start motion form rest on a circular path of radius r=4m with constant tangential acceleration `4 ms^(-2)`. Find the net work done on the particle in initial 1 second.

A

16J

B

25J

C

30J

D

6J

Text Solution

Verified by Experts

`w=(1)/(2)mv^(2)=(1)/(2)xx4^(2)`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (A)|32 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (B)|3 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART- C|4 Videos

  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

If a particle of mass m start from along curved circular path shown in figure with constant tangential acceleration a, then net force at B on the particle has the magnitude :

A particle starts moving on circular path of radius (9)/(4)m with tangential acceleration 3ms^(-2) . Find angle between acceleration of the particle and radius vector at time t=1 sec.

A Particle of mass 'M' moves in a uniform circular path of radius 'r' with a constant speed 'v' then its centripetal acceleration is .

A particle is revolving in a circular path of radius 2 m with constant angular speed 4 rad/s. The angular acceleration of particle is

A particle moves along a circular path a radius 15 cm with a constant angular acceleration of 4 "rad/s"^(2). If the initial angular speed of the particle was 5 rad/s. Find its angular displacement in 5 seconds.

A ball is moving in a circular path of radius 5m . If tangential acceleration at any instant is 10 ms^(-1) and the net acceleration , then the instantaneous speed is

A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magnitude of this acceleration. What is the magnitude of this acceleration, if the kinetic energy of the particle becomes equal to 8xx10^(-4) J by the end of the second revolution after the beginning of the motion?

A particle of mass 10 g moves along a circle of the radius (1)/(pi) cm with a constant tangential acceleration. What is the magnitude of this acceleration ("in ms"^(-1)) if the kinetic nergy of the particle becomes equal to 8xx10^(-4)J by the end of the second revolution after the beginning of the motion? (Particle starts from rest)

A particle is revolving in a circular path of radius 25m with constant angular speed 12 rev/min.Then the angular acceleration of the particle is?

BANSAL-TEST PAPERS-PHYSICS
  1. Work done by kinetic friction can be

    Text Solution

    |

  2. A person is standing on a escalator which is moving up uniformly. Find...

    Text Solution

    |

  3. A particle of mass 2kg start motion form rest on a circular path of ra...

    Text Solution

    |

  4. A boat is heading towards North with velocity 10ms^(-1) with respect t...

    Text Solution

    |

  5. An object is thrown at an angle 60^(@) above horizontal with velocity ...

    Text Solution

    |

  6. A ball weighing 10g hits a hard surface vertically with a speed of 5m/...

    Text Solution

    |

  7. A particle P moves in a circular path of radius R, with centre at O at...

    Text Solution

    |

  8. A man standing on flat car under the shed of a small umbrella as shown...

    Text Solution

    |

  9. A man drags a box of mass 20kg on a horizontal floor as shown in figur...

    Text Solution

    |

  10. Delhi is at latitude 30^(@)N longitude 78.5^(@) E. if the angular velo...

    Text Solution

    |

  11. A thin circular ring of mass per unit length p and radius r is rotatin...

    Text Solution

    |

  12. An apple of mass 0.5 kg is swing around on a string in a circle in a h...

    Text Solution

    |

  13. An apple of mass 0.5 kg is swing around on a string in a circle in a h...

    Text Solution

    |

  14. An apple of mass 0.5 kg is swing around on a string in a circle in a h...

    Text Solution

    |

  15. Four forces act on a point object. The object will be in equilibrium, ...

    Text Solution

    |

  16. A cicular road of radius r is blanked for a speed v=60 km/hr. A car of...

    Text Solution

    |

  17. A particle is projected with velocity 10m/s at an angle of 45^(@) with...

    Text Solution

    |

  18. In the figure shown, the coefficient of friction between the two block...

    Text Solution

    |

  19. A ship is moving at a constant of 10km/h in the direction of unit vect...

    Text Solution

    |

  20. A sphere of mass 0.5 kg rests at one corner of a cube. The cube is mov...

    Text Solution

    |