Home
Class 12
PHYSICS
A body is moving with velocity 30 m//s t...

A body is moving with velocity `30 m//s` towards east. After `10 s` its velocity becomes `40 m//s` towards north. The average acceleration of the body is.

A

` m//s^(2)`

B

`7 m//s^(2)`

C

` sqrt(7) m//s^(2)`

D

`5 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ONE DIMENSION MOTION

    MOTION|Exercise Exercise - 3 |Section - B Previous Year Problems | JEE MAIN|12 Videos

  • ONE DIMENSION MOTION

    MOTION|Exercise EXERCSE -2 (Section - F : Rain Problems, Aircraft wind problems, Relative Motion between two projectiles )|2 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 is moing with a velocity of 10m//s towards east. After 10s its velocity changes to 10m//s towards north. Its average acceleration is:-

A particle is moving eastwards with a velocity of 5 m//s . In 10 s the velocity changes to 5 m//s nothwards. The average acceleration in this time is

A particle is moving eastwards with velocity of 5 m//s . In 10 sec the velocity changes to 5 m//s northwards. The average acceleration in this time is.

A paricle is moving eastwards with a velocity of 5m//s . In 10s the velocity changes to 5m//s northwards. Find the average acceleration in this time.

A particle moves towards east with velocity 5m//s . After 10 seconds its direction changes towards north with same Velocity. The average acceleration of the particle is

A particle is moving with velocity 5 m/s towards cast and its velocity changes to 5 m/s north in 10 s, find the acceleration .

A body of mass 2 kg is moving with velocity 10 m / s towards east. Another body of same mass and same velocity moving towards north collides with former and coalsces and moves towards northeast. Its velocity is

MOTION-ONE DIMENSION MOTION-Exercise - 3 | Section - A Previous Year Problems | NEET
  1. The distance travelled by a particle starting from rest and moving wit...

    Text Solution

    |

  2. A particle moves in a straight line with a constant acceleration. It c...

    Text Solution

    |

  3. A particle shows distance-time curve as given in this figure. The maxi...

    Text Solution

    |

  4. A particle experiences a constant acceleration for 20 sec after starti...

    Text Solution

    |

  5. A bus is moving with a speed of 10 m s^(-1) on a straight road. A scoo...

    Text Solution

    |

  6. A particle move a distance x in time t according to equation x = (t + ...

    Text Solution

    |

  7. A ball is droped from a high rise platform t = 0 starting from rest. A...

    Text Solution

    |

  8. A particle has an initial velocity of 3hat(i) + 4 hat(j) and an accele...

    Text Solution

    |

  9. A boy standing at the top of a tower of 20m of height drops a stone. A...

    Text Solution

    |

  10. A body is moving with velocity 30 m//s towards east. After 10 s its ve...

    Text Solution

    |

  11. A particle covers half of its total distance with speed v1 and the res...

    Text Solution

    |

  12. The motion of a particle along a straight line is described by equatio...

    Text Solution

    |

  13. A particle has initial velocity (2 vec(i)+3 vec(j)) and acceleration (...

    Text Solution

    |

  14. A stone falls freely under gravity. It covered distances h1, h2 and h3...

    Text Solution

    |

  15. A particle of unit mass undergoes one-dimensional motion such that its...

    Text Solution

    |

  16. A ship A is moving westwards with a speed of 10 km h^(-1) and a ship B...

    Text Solution

    |

  17. Two particles A and B, move with constant velocities vec(v(1))" and "v...

    Text Solution

    |

  18. A particle moves so that its position vector is given by vec r = cos o...

    Text Solution

    |

  19. If the velocity of a particle is v = At + Bt^2, where A and B are cons...

    Text Solution

    |

  20. Two cars P and Q start from a point at the same time in a straight lin...

    Text Solution

    |