Home
Class 11
PHYSICS
At what angles do the two fores (overset...

At what angles do the two fores `(overset rarr P + overset rarr Q )` adn `(overst rarr P - overset rarr Q)` act so that the agnitude of the resultantts is `sqrt(2(P^2 + Q^2 ) ) ` ?

Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    JBD PUBLICATION|Exercise EXAMPLE|163 Videos
  • GRAVITATION

    JBD PUBLICATION|Exercise EXAMPLE|78 Videos
  • LAWS OF MOTION

    JBD PUBLICATION|Exercise EXAMPLE|168 Videos

Similar Questions

Explore conceptually related problems

Show that |overset rarr A + overset rarr B|^2 - |overset rarr A - overset rarr B |^2 = 4 overset rarr A cdot overset rarr B .

If |overset rarr A xx overset rarr B| = |overset rarr A cdot overset rarr B| ,then find the angle between overset rarr A and overset rarr B .

Three vectors overset rarr P,overset rarr Q and overset rarr R satisfy the relations overset rarr P cdot overset rarr Q = 0 and overset rarr P * overset rarr R = 0 .To which vector, the vector overset rarr P is parallel to .

The vectors overset rarr A and overset rarr B are such that | overset rarr A + overset rarr B| = | overset rarr A - overset rarr B | ,then the angle between two vectros will be :

In the reaction CH_3 CH_2 I overset (alc.KOH) rarr X overset(Br_2) rarr Y overset(KCN) rarr Z , Z is :

If the magnitude of vectors overset rarr P,overset rarr Q and oversert rarr R are 3,4 and 5 units respectively,and if overset rarr P + overset rarr Q = overset rarr R ,then what will be the angle between overset rarr P and overset rarr R ?

For what value of a are overset rarr A = a hat i - 2 hat j + hat k and overset rarr B = 2 a hat i - a hat j - 4 hat k perpendicular.

If sum and difference of two vectors overset rarr R and overset rarr S are at right angle equal to each other, then show that the vectors are equal in magnitude.

If overset rarr A = 2 hati + 5 hat j ,what is the unit vector perpendicular to overset rarr A ?

JBD PUBLICATION-KINEMATICS-EXAMPLE
  1. Three vectors overset rarr P,overset rarr Q and overset rarr R satisfy...

    Text Solution

    |

  2. Calculate the angle between 2 newton and a 3 newton force so that thei...

    Text Solution

    |

  3. At what angles do the two fores (overset rarr P + overset rarr Q ) adn...

    Text Solution

    |

  4. Two forces of 6 N and 8 N act at a point at an angle 90^@ with each ot...

    Text Solution

    |

  5. A skilled gunman always keeps his gun tilted above the line of sight w...

    Text Solution

    |

  6. At what points on the projectile trajectory is the speed minimum

    Text Solution

    |

  7. At what point of trajectory an object thrown upward is the acceleratio...

    Text Solution

    |

  8. A tennis ball jumps higher at hills than at planes. Explain.

    Text Solution

    |

  9. Explain that a uniform circular motion is an accelerated motion.

    Text Solution

    |

  10. A body is projected horizontally from the to of a cliff with a velcity...

    Text Solution

    |

  11. Two paper screens A and B are separated by a distance of 100m.A bullet...

    Text Solution

    |

  12. Shows that the projection angle thetao for a projectile launched from ...

    Text Solution

    |

  13. A cricket ball is hit at 45^@ to the horizontal with a kineti energy K...

    Text Solution

    |

  14. A body is projected with a velocity u in a direction making angle thet...

    Text Solution

    |

  15. A body is projected with a velocity u in a direction making angle thet...

    Text Solution

    |

  16. A body is projected with a velocity u in a direction making angle thet...

    Text Solution

    |

  17. A body P of mass m is thrown with velocity u at an angle 30^@ to the h...

    Text Solution

    |

  18. The range of a particle when launched at an angle of 15^@ with horizon...

    Text Solution

    |

  19. A ball is projected horizontally with a velocity of 4 ms^-1.What will...

    Text Solution

    |

  20. Two bodies A and B are projected sqrt2 u and u respectively.They cover...

    Text Solution

    |