Home
Class 11
PHYSICS
The position of a moving particle is giv...

The position of a moving particle is given by `x = 6 + 18t + 9t^2` where x is the distance and t is the time. What is the velocity at t = 2sec.

Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    R G PUBLICATION|Exercise EXERCISE|44 Videos
  • OSCILLATIONS

    R G PUBLICATION|Exercise EXERCISE|43 Videos

Similar Questions

Explore conceptually related problems

The motion of a particle along x-axis is given by equation x = 9+ 5t^2 , where x is the distance in cm and t is time in second. Find the displacement after 3 seconds.

The motion of a particle along x-axis is given by equation x = 9+ 5t^2 , where x is the distance in cm and t is time in second. Find instantaneous velocity after 3 seconds

The motion of a particle along x-axis is given by equation x = 9+ 5t^2 , where x is the distance in cm and t is time in second. Find average velocity during the interval from 3 to 5 seconds

The acceleration of a particle in ms^(-s) is given by a =3t^2 + 2t + 2 , where time t is in seconds. If the particle starts with a velocity V = 2 ms^(-1) at t=0, find the velocity after 2 seconds.

If x = a + bt + ct^2 where the unit fo x is meter and unit of t is sec. What is the unit of c.

The position of an object moving along x-axis is given by x = a+ bt^2 , where a = 10m, b = 3 ms^-2 , and 't' is measured in second. What is the average velocity between t = 2s and t = 4s?

The position of a particle is given by barr = 3.0thati + 2.0t^2hatj + 5.0hatk . Find the velocity of particle at t=2sec

A force F is f=given by F = at + bt^(2) where t is the time , the dimensions of a and b are

The position of a particle is given by r=3.0r hati-2.0t^2 hatj+4.0 hatk m Where t is in seconds and the coefficients have the proper units for r to be in metres. What is the magnitude and direction of velocity of the particle at f = 2.0 s?

The position of a particle is given by r=3.0r hati-2.0t^2 hatj+4.0 hatk m Where t is in seconds and the coefficients have the proper units for r to be in metres. Find the v and a of the particle?

R G PUBLICATION-MOTION IN A STRAIGHT LINE-EXERCISE
  1. Under which condtion the distance travelled by a body is equal to the ...

    Text Solution

    |

  2. Two straight line draw on the same displacement-time graph make angle ...

    Text Solution

    |

  3. A person travelling on a straight line moves with a uniform velocity v...

    Text Solution

    |

  4. The position of a moving particle is given by x = 6 + 18t + 9t^2 wher...

    Text Solution

    |

  5. The displacement x of the body in a motion is given by x = Asin (wt + ...

    Text Solution

    |

  6. A particle is moving in a circular path of radius r. What will be the ...

    Text Solution

    |

  7. Two train 100 m and 89 m in length are running in opposite directions ...

    Text Solution

    |

  8. The distance x of a particle moving in one dimension, under the action...

    Text Solution

    |

  9. A train 100 m long is moving with a velocity of 60 km/hr. Find the tim...

    Text Solution

    |

  10. A ball thrown vertically upward with a speed of 19.6ms^-1 from the top...

    Text Solution

    |

  11. Derive S = ut + frac(1)(2) at^2 by graphical method.

    Text Solution

    |

  12. Displacement is given by x = 1 + 2t + 3t^2 Calculate the value of inst...

    Text Solution

    |

  13. Prove that S(uh) = u + frac(a)(2)(2n-1)

    Text Solution

    |

  14. From the graph calculate the average acceleration in first twenty sec.

    Text Solution

    |

  15. The relation between time t and displacement x is t = alpha x^2 + beta...

    Text Solution

    |

  16. What is the wrong with the speed time graph from

    Text Solution

    |

  17. A ball is dropped from the top of a tower of height (h). It covers a d...

    Text Solution

    |

  18. For a particle in one dimensional motion, the instantaneous speed is a...

    Text Solution

    |

  19. A particle experiences constant acceleration for 20 sec after starting...

    Text Solution

    |

  20. Prove that V - u = 2as from velocity time graph.

    Text Solution

    |