Home
Class 12
PHYSICS
A particle travels with constant speed o...

A particle travels with constant speed on a circle of radius 3 metres and completes one revolution in 20 seconds. Starting from origin O, find the magnitude and direction of displacement vector 5 seconds later -

A

4.2 m at an angle of ` 45^(@)` with x-axis

B

5.54 m at an angle of `67.5^(@)` with x-axis

C

6m at an angle of `90^(@)` with x-axis

D

5m at an angle of `60^(@)` with x-axis

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ONE DIMENSION MOTION

    MOTION|Exercise EXERCSE -2 (Section - B : Motion under Gravity)|8 Videos

  • ONE DIMENSION MOTION

    MOTION|Exercise EXERCSE -2 (Section - C : Graphs)|12 Videos

  • ONE DIMENSION MOTION

    MOTION|Exercise EXERCSE -1 (Section - F : Graphs)|7 Videos

  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

  • OPTICS

    MOTION|Exercise Exercise|45 Videos

Similar Questions

Explore conceptually related problems

A particle travels with constant speed along a circle of radius 3 m and completes one revolution in 20 s . Starting with the lowest point as origin, find (a) the magnitude and direction of the displacement vectors 5 s, 7.5s and 10 s later , (b) the magnitude and direction of the displacement in the 5 s interval from the fifth to the lenth second, (c) average velocity in this interval, (d) the instantaneous velocity at the begining and at the end of the interval.

An object moves from position (3,4) to (6,5) in the xy-plane. Find the magnitude and direction of displacement vector of the particle.

When a particle moves in a circle of radius r, the displacement covered in one complete revolution is _____

A partical revolves in clockwise direction (as seen from point A) in a circle C of radius 1 cm and completes one revolution in 2 sec. The axis of the circle and the principal axis of the mirror M coincides, call it AB. The radius of curvature of the mirror of 20cm. Then, the direction of revolution (as seen from A) of the image of the partical and its speed is

A man starts running with constant speed along a circular path of radius sqrt2m He completes two rounds in 16 seconds. The magnitude of the average velocity in first 2 seconds is

A particle of mass m moves with constant speed v on a circular path of radius r. Find magnitude of average force on it in half revolution.

A particle moves on a circular path of radius 'r'. It completes one revolution in 40s. Calculate distances displacement in 2 min 20 s.

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 14 revolutions in 25 seconds, what is the magnitude and direction of acceleration of the stone ?

A particle is moving along a circle such that it completes one revolution in 40 seconds. In 2 minuts 20 seconds, the ratio ("|displacement|")/("distance") is distance

MOTION-ONE DIMENSION MOTION-EXERCSE -2 (A : Distance, Displacement, Velocity and Acceleration, Equation of Motion)
  1. For a particle displacement time relation is t = sqrt(x) + 3. Its dis...

    Text Solution

    |

  2. If the displacement of a particle varies with time as sqrt(x) = t + ...

    Text Solution

    |

  3. The displacement of the particle varies with time according to the rel...

    Text Solution

    |

  4. The velocity of a particle moving in the positive direction of x-axis...

    Text Solution

    |

  5. A particle goes A to M with a speed of 30 km/hr. and M to B with a spe...

    Text Solution

    |

  6. A particle starts from rest and has velocity kt after time t. The dist...

    Text Solution

    |

  7. The acceleration (a) of moving particle varies with displacement accor...

    Text Solution

    |

  8. If a point moves in a straigth line in such a manner that its retardat...

    Text Solution

    |

  9. The deceleration exerienced by a moving motor blat, after its engine i...

    Text Solution

    |

  10. A car starts from P and follows the path as shown in figure finally ca...

    Text Solution

    |

  11. Two particles A and B are present at centre (O) of circle of a radius ...

    Text Solution

    |

  12. Let vec(v) and vec(a) denote the velocity and acceleration respectivel...

    Text Solution

    |

  13. A particle travels with constant speed on a circle of radius 3 metres ...

    Text Solution

    |

  14. A body is dropped from a height h. If t1 and t2 be the times in coveri...

    Text Solution

    |

  15. A bullet losses 1/6 of its velocity in passing through a plank. What ...

    Text Solution

    |

  16. Three forces given by vectors 2hati + 2hatj, 2hati -2hatj and - 4hati...

    Text Solution

    |