Home
Class 12
PHYSICS
Positions of two vechicles A and B with ...

Positions of two vechicles A and B with reference to origin O and their velocities are as shown.

A

they will collide

B

distance of closest approach is 100 m.

C

their relative speed is `40/sqrt(3) m//s`

D

their relative velocity is `20/sqrt(3) m//s`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS-2D

    ALLEN |Exercise Exercise (O-2)|47 Videos

  • KINEMATICS-2D

    ALLEN |Exercise Exercise (S-2)|14 Videos

  • GRAVITATION

    ALLEN |Exercise EXERCISE 4|9 Videos

  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos

Similar Questions

Explore conceptually related problems

In a parallelogram OABC, vectors vec a, vec b, vec c are respectively the positions of vectors of vertices A, B, C with reference to O as origin. A point E is taken on the side BC which divide the line 2:1 internally. Also the line segment AE intersect the line bisecting the angle O internally in point P. If CP, when extended meets AB in point F. Then The position vector of point P, is

Write the vector representation of the vectors A and B with respect to the frame of reference shown in the figure.

Two particles A and B are moving on a straight line and B is ahead of A. Their velocities are constant, then what will be effect on their relative velocities when A is ahead of B ?

s-t graph of two particles A and B are shown in fig. Find the ratio of velocity of A to velocity of B.

Three points A,B, and C have position vectors -2veca+3vecb+5vecc, veca+2vecb+3vecc and 7veca-vecc with reference to an origin O. Answer the following questions? B divided AC in ratio

Three points A,B, and C have position vectors -2veca+3vecb+5vecc, veca+2vecb+3vecc and 7veca-vecc with reference to an origin O. Answer the following questions? Which of the following is true?

The variation of lengths of two moles rods A and B with change in temperature is shown in figure . The ratio of (alpha_(a))/(alpha_(B)) is :-

Two particles A and B are projected from the same point in different direction in such a manner that their velocity vectors are shown in the diagram :- .

A disc of the radius R is confined to roll without slipping at A and B. If the plates have the velocities v and 2v as shown, the angular velocity of the disc is

Two particles A and B are moving in a horizontal plane anitclockwise on two different concentric circles with different constant angular velocities 2omega and omega respectively. Find the relative velocity (in m/s) of B w.r.t. A after tome t=pi//omega . They both start at the position as shown in figure ("Take" omega=3rad//sec, r=2m)

ALLEN -KINEMATICS-2D-Exercise (O-1)
  1. A ball is thrown from the top of 36m high tower with velocity 5m//ss a...

    Text Solution

    |

  2. A particle moves in the xy plane and at time t is at the point vec r= ...

    Text Solution

    |

  3. A particle moves in the xy plane with a constant acceleration 'g' in t...

    Text Solution

    |

  4. Two particle A and B projected along different directions from the sam...

    Text Solution

    |

  5. Positions of two vechicles A and B with reference to origin O and thei...

    Text Solution

    |

  6. Two projectiles are thrown simultaneously in the same plane from the s...

    Text Solution

    |

  7. Two projectiles are thrown simultaneously in the same plane from the s...

    Text Solution

    |

  8. Two projectiles are thrown simultaneously in the same plane from the s...

    Text Solution

    |

  9. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  10. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  11. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  12. By the term velocity of rain, we mean velocity with which raindrops fa...

    Text Solution

    |

  13. By the term velocity of rain, we mean velocity with which raindrops fa...

    Text Solution

    |

  14. If 2×10^(6) electrons/s are flowing through an area of cross section o...

    Text Solution

    |

  15. The distance travelled by a particle starting from rest and moving wit...

    Text Solution

    |

  16. A 2A wire can withstand a maximum power of 20W in circuit. The resista...

    Text Solution

    |

  17. When you are standstill holding a flag, the flag flutters in the direc...

    Text Solution

    |

  18. When you are standstill holding a flag, the flag flutters in the direc...

    Text Solution

    |

  19. Trajectories are shown in figure for three kicked footballs. Initial v...

    Text Solution

    |

  20. Trajectory of particle in a projectile motion is given as y=x- x^(2)/8...

    Text Solution

    |