Home
Class 12
MATHS
The acceleration of a particle starting ...

The acceleration of a particle starting from rest moving in a straight line with uniform acceleration is `8m//sec^2`. The time taken by the particle to move the second metre is:

A

`(sqrt(2)-1)/2` sec

B

`(sqrt(2)+1)/2` sec

C

`(1+sqrt(2))` sec

D

`(sqrt(2)-1)` sec

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2010

    WB JEE PREVIOUS YEAR PAPER|Exercise DESCRIPTIVE TYPE QEUSTIONS|10 Videos

  • QUESTION PAPER 2012

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

Similar Questions

Explore conceptually related problems

Starting from rest, a body moves in a straight line with a constant acceleration. Describe the nature of the graph relating the displacement with time.

The acceleration of a particle moving along a straight line is (6t^(2)-3t)cm//s^(2) , at time t seconds. If the velocity of the particel at time 2 seconds be 10cm/s, find its velocity at time t seconds.

The distance S metres moved by a particle traveling in a straight line in t second is given by S = 45t +11t^2-t^3 . Find the time when the particle comes to rest.

A particle starts moving from rest with uniform acceleration. It travels a distance x in first 2 seconds and distance y in the next 2 seconds. Then:

A particle moves with constant acceleration along a straight line starting from rest. The percentage increase in its displacement during the 4th second compared to that in the 3rd second is

A particle moves with constant acceleration along a straight line starting from rest. The percentage increase in its displacement during the 4^(th) second compared to that in the 3 second is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2011-MULTIPLE CHOICE QUESTIONS
  1. |{:(a-b, b-c, c-a),(b-c, c-a, a-b),(c-a, a-b, b-c):}|=

    Text Solution

    |

  2. The area enclosed between y^(2) = x and y=x is:

    Text Solution

    |

  3. Let f(x) = x^(3) e^(-3x) , x gt 0. Then the maximum value of f(x) is:

    Text Solution

    |

  4. The area bounded by y^(2) = 4x and x^(2) = 4y is:

    Text Solution

    |

  5. The acceleration of a particle starting from rest moving in a straight...

    Text Solution

    |

  6. The solution of: (dy)/(dx) = y/x + tan y/x is:

    Text Solution

    |

  7. Integrating Factor (I.F). Of the differential equation: (dy)/(dx) -...

    Text Solution

    |

  8. The differential equation of y=ae^(bx) (a & b are parameters) is:

    Text Solution

    |

  9. The value of: lim(n to infty) sum(r=1)^(n) r^(2)/(r^(3) + n^(3)) is:

    Text Solution

    |

  10. The value of int(0)^(pi) sin^(50)x cos^(49) x dx is:

    Text Solution

    |

  11. int 2^(x) [f'(x) + f(x) (log 2)] dx is

    Text Solution

    |

  12. Let f(x) = tan^(-1) x. Then f'(x) + f''(x) is =0, when x is equal to:

    Text Solution

    |

  13. If y= tan^(-1) ((sqrt(1+x^(2))-1)/x) , then y'(1)=

    Text Solution

    |

  14. The value of lim(x to 1) (x+x^(2)+ ….. + x^(n) -n)/(x-1) is:

    Text Solution

    |

  15. lim( x to 0) (sin (pi sin^(2)x))/x^(2) =

    Text Solution

    |

  16. If the function: f(x) = {{:((x^(2)-(A+ 2)x+A)/(x-2), "for", x ne 2),...

    Text Solution

    |

  17. f(x) ={{:([x]+[-x], "when" , x ne 2),(lambda, "when", x =2):}, If f(x)...

    Text Solution

    |

  18. The even function of the following is:

    Text Solution

    |

  19. If f(x + 2y, x-2y) =xy, then f(x,y) is equal to:

    Text Solution

    |

  20. The locus of the middle points of all chords of the parabola, y^2 = 4a...

    Text Solution

    |