Home
Class 12
PHYSICS
A particle moves in straight line in sam...

A particle moves in straight line in same direction for 20 seconds with velocity `3 m//s` and the moves with velocity `4 m//s` for another 20 sec and finally moves with velocity `5 m//s` for next 20 seconds. What is the average velocity of the particle?

A

3 m/s

B

4m/s

C

5m/s

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-2|170 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-3|41 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise SOLVED EXAMPLE|28 Videos

  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|48 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

A particle moves with a uniform velocity of 50 m/s for 20 min. What is the velocity of particle at t = 2 min ?

A particle moves along a semicircle of radius 10m in 5 seconds. The average velocity of the particle is

A particle travels A to M along a straight line with a velocity of 8 m/s and M to A with a velocity of 2 m/s, then the average velocity for the whole journey is –

A particle is moving on a straight line with constant retardation of 1 m//s^(2) . Its initial velocity is 10 m//s .

A particle is moving with a uniform acceleration 4 m s^(-2) for time 2 second and then 5 m s^(-20 for time 3 seconds . What is the average acceleration of particle during motion.

A railway carriage of mass 10g and 200g are moving along the same line in the same direction with velocities of 2m//s and 1m//s respectively. They collide and after the collison, the first object moves with a velocity of 1.67m//s in the same direction. Determine the velocity of the second object.

A particle moves in a straight line with a uniform acceleration a. Initial velocity of the particle is zero. Find the average velocity of the particle in first 's' distance.

A particle moves in a straight line with a constant acceleration.It changes its velocity from 10m/s to 20m/s while covering a distance of 135m in t second.What is the value of t?

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

ALLEN-MOTION IN A PALNE-EXERCISE-1
  1. The numerical ratio of displacement to the distance covered is always

    Text Solution

    |

  2. Which of the following velocity-time graphs shows a realistic situatio...

    Text Solution

    |

  3. A particle moves in straight line in same direction for 20 seconds wit...

    Text Solution

    |

  4. A body starts from rest and moves with a uniform acceleration of 10ms^...

    Text Solution

    |

  5. An object travels 10km at a speed of 100 m/s and another 10km at 50 k/...

    Text Solution

    |

  6. A body starting from rest moves along a straight line with a constant ...

    Text Solution

    |

  7. Acceleration-time graph of a body is shown. The corresponding velocity...

    Text Solution

    |

  8. Velocity-time curve for a body projected vertically upwards is with ti...

    Text Solution

    |

  9. A river 4.0 miles wide is following at the rate of 2 miles/hr. The min...

    Text Solution

    |

  10. A point traversed half the distance with a velocity v(0). The remainin...

    Text Solution

    |

  11. An elevator is accelerating upward at a rate of 6ft(sec^(2) when a bol...

    Text Solution

    |

  12. A stone is thrown vertically upwards. When stone is at a height half o...

    Text Solution

    |

  13. Velocity-time graph for a moving object is shown in the figure. Total ...

    Text Solution

    |

  14. When a ball is thrown up vertically with velocity v0, it reaches a max...

    Text Solution

    |

  15. A car acquires a velocity of 72 km//h in 10 seconds starting from rest...

    Text Solution

    |

  16. An iron ball and a wooden ball of the same radius are released from a ...

    Text Solution

    |

  17. A particle moves along a straight line OX. At a time t (in seconds) th...

    Text Solution

    |

  18. Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heig...

    Text Solution

    |

  19. A river 2 km wide is flowing at the rate of 2km/hr. A boatman, can row...

    Text Solution

    |

  20. A particle moving along x-axis has acceleration f, at time t, given by...

    Text Solution

    |