Home
Class 12
PHYSICS
A particle moves as such acceleration is...

A particle moves as such acceleration is given by a = 3 sin 4t, then :

A

(1) the acceleration of the particle becomes zero after each interval of `(pi)/(4)` second

B

(2) the initial velocity of the particle must be zero

C

(3) the particle comes at its initial position after sometime

D

(4) the particle must move on a circular path

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A particle moves such that acceleration is given by a= -4x . The period of oscillation is

A particle is moving along the x-axis whose acceleration is given by a= 3x-4 , where x is the location of the particle. At t = 0, the particle is at rest at x = 4//3m . The distance travelled by the particles in 5 s is

A particle is moving with an acceleration given by, a=-cos t ; where time t is in seconds and a is in m/s ^(2) . It is given that at t=0, u=0 and x=1 .Find distance travelled by particle from pi to 2 pi .

[" The angular acceleration "],[" of a particle moving along "],[" a circle is given by "a=k],[" sin "theta" ,where "theta" is the angle "],[" turned by particle and "k" is "],[" constant.The centripetal "],[" acceleration of the "],[" particle in terms of "k" ,"theta],[" and "R" (radius of circle) is "],[" given by: "]

The displacement of a particle moving in a straight line, is given by s = 2t^2 + 2t + 4 where s is in metres and t in seconds. The acceleration of the particle is.

A particle moves in a circle of radius 2 cm at a speed given by v =4t, where v is in cms ^-1 and t in seconds. The tangential acceleration at t =1s and total acceleration at t =1s are respiccitively .

Position vector of a particle moving in space is given by : vec(r)=3sin t hat i+3 cos t hatj+4 t hatk Distance travelled by the particle in 2s is :

If a particle moves in a circle of radius 4m at speed given by v = 2t where v is in m/s and t in sec at t = 4sec, acceleration of particle will be

The acceleration of a moving particle whose space time equation is given by s=3t^2+2t-5 , is

Position of a particle moving in a straight line is given as y = 3t^3 + t^2 (y in cm and t in second) then find acceleration of particle at t = 2sec

DISHA-MOTION IN A STRAIGHT LINE-Physics
  1. A particle moves along x-axis as x=4(t-2)+a(t-2)^2 Which of the foll...

    Text Solution

    |

  2. The displacement x of a particle varies with time t as x = ae^(-alpha ...

    Text Solution

    |

  3. A particle moves as such acceleration is given by a = 3 sin 4t, then :

    Text Solution

    |

  4. A reference frame attached to the earth

    Text Solution

    |

  5. If a particle travels a linear distance at speed v(1) and comes back a...

    Text Solution

    |

  6. The distance travelled (in meters) by the particle from time to t = 0 ...

    Text Solution

    |

  7. The distance travelled (in meters) by the particle from time t = 0 to ...

    Text Solution

    |

  8. The magnitude of displacement (in meters) by the particle from time t ...

    Text Solution

    |

  9. Statement-1 : The position-time graph of a uniform motion in one dimen...

    Text Solution

    |

  10. Assertion: A body having non zero acceleration can have a constant vel...

    Text Solution

    |

  11. Assertion: Displacement of a body may be zero when distance travelled ...

    Text Solution

    |

  12. A stone dropped from a building of height h and it reaches after t sec...

    Text Solution

    |

  13. A ball is projected upwards from a height h above the surface of the e...

    Text Solution

    |

  14. A man throws ball with the same speed vertically upwards one after the...

    Text Solution

    |

  15. If a ball is thrown vertically upwards with speed u, the distance cove...

    Text Solution

    |

  16. A ball is thrown vertically upwards. Which of the following graph/grap...

    Text Solution

    |

  17. A ball is dropped vertically from a height d above the ground . It hit...

    Text Solution

    |

  18. P, Q and R are three balloons ascending with velocities U, 4U and 8U r...

    Text Solution

    |

  19. A body is projected up with a speed u and the time taken by it is T to...

    Text Solution

    |

  20. Time taken by an object falling from rest to cover the height of h(1) ...

    Text Solution

    |