Home
Class 11
PHYSICS
Throughout a time interval, while the sp...

Throughout a time interval, while the speed of a particle increases as it moves along x-axis, its velocity and acceleration might be

A

positive and positive respectively

B

positive and negative respectively

C

negativetive and negative respectively

D

negative and positive respectively

Text Solution

Verified by Experts

The correct Answer is:
A, C
Spped increases if both velocity & acceleration have same signs.
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    ALLEN |Exercise EXERCISE-01|55 Videos

  • KINEMATICS

    ALLEN |Exercise EXERCISE-02|57 Videos

  • ERROR AND MEASUREMENT

    ALLEN |Exercise Part-2(Exercise-2)(B)|22 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-7|8 Videos

Similar Questions

Explore conceptually related problems

A particle is travelling in a circular path of radius 4m . At a certain instant the particle is moving at 20m/s and its acceleration is at an angle of 37^(@) from the direction to the centre of the circle as seen from the particle (i) At what rate is the speed of the particle increasing? (ii) What is the magnitude of the acceleration?

Assertion: In successive time intervals if the average velocities of a particle are equal then the particle must be moving with constant velocity. Reason: When a particle moves with uniform velocity, its displacement always increases with time.

Statement-I : A particle moves in a straight line with constant acceleration. The average velocity of this particle cannot be zero in any time interval. Statement-II : For a particle moving in straight line with constant acceleration, the average velocity in a time interval is (u+v)/(2) , where u and v are initial and final velocity of the particle of the given time interval.

If the velocity of a paraticle moving along x-axis is given as v=(4t^(2)+3t=1)m//s then acceleration of the particle at t=1sec is :

Position of particle moving along x-axis is given as x=2+5t+7t^(2) then calculate :

For a particle moving along x- axis, speed must be increasing for the following graph :

A particle moves along the X-axis as x=u(t-2s)+a(t-2s)^2 .

Figure shows the total acceleration and velocity of a particle moving clockwise in a circle of radius 2.5 m at a given instant of time. At this instant, Find: (i) the radial acceleration, (ii) the speed of the particle and (iii) its tangential acceleration.

Assertion:- For a particle moving along a straight line, if they velocity and acceleration have same sign, then the particle may be slowing down. Reason:- For a moving particle speeding up and slowing down does not depend upon the angle between velocity and acceleration.

A particle moving with uniform acceleration passes the point x=2m with velocity 20 m//s at the instant t=0 . Some time later it is observed at the point x=32 m moving with velocity 10 m//s .What is its acceleration ?What is its velocity at 8 sec?

ALLEN -KINEMATICS-EXERCISE-2
  1. Throughout a time interval, while the speed of a particle increases as...

    Text Solution

    |

  2. A student performs an experiment to determine how the range of a ball ...

    Text Solution

    |

  3. A student performs an experiment to determine how the range of a ball ...

    Text Solution

    |

  4. A student performs an experiment to determine how the range of a ball ...

    Text Solution

    |

  5. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  6. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  7. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  8. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  9. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  10. A circus wishes to develop a new clown act. Fig. (1) shows a diagram o...

    Text Solution

    |

  11. When a particle is undergoing motion, the diplacement of the particle ...

    Text Solution

    |

  12. When a particle is undergoing motion, the diplacement of the particle ...

    Text Solution

    |

  13. When a particle is undergoing motion, the diplacement of the particle ...

    Text Solution

    |

  14. When a particle is undergoing motion, the diplacement of the particle ...

    Text Solution

    |

  15. A projectile is projected with some initial velocity and some initial ...

    Text Solution

    |

  16. A projectile is projected with some initial velocity and some initial ...

    Text Solution

    |

  17. A projectile is projected with some initial velocity and some initial ...

    Text Solution

    |

  18. Fig. 2 (NCT).9 show the x-t plot of a particle in one dimensional mot...

    Text Solution

    |

  19. The position-time(x-t) graphs for two children A and B from their sch...

    Text Solution

    |

  20. A particle moves along x-axis with acceleration a = a0 (1 – t// T) wh...

    Text Solution

    |

  21. A body moving with uniform acceleration, covers a distance of 20 m in ...

    Text Solution

    |