Home
Class 12
PHYSICS
An object is moving with variable speed,...

An object is moving with variable speed, then

A

Its velocity may be zero

B

its velocity must be variable

C

Its acceleration may be zero

D

Its velocity must be constant

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - B)|33 Videos
  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - C)|37 Videos
  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE|Exercise EXERCISE|30 Videos
  • MOTION IN A PLANE

    AAKASH INSTITUTE|Exercise Assignement section -J (Aakash Challengers Questions)|4 Videos
  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J)|2 Videos

Similar Questions

Explore conceptually related problems

When an object is moving with a unifrom speed, its average speed is equal to its speed

Define : variable speed

An astronomical object is moving with such a speed that red shift of 1 nm is observed in wavelength of 600 nm of wave received from it, the speed of astronomical object is -

An object is moving with a speed 100 m/s. Find the distance travelled by this object in one minute

An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is:

An object is moving though air at a speed v. If the area of the object normal to the direction of velocity is A and assuming elastic collision with air molecules, then the resistive force on the object is propotional to-(assume that molecules striking the object were initially at rest)

An object is moving with speed v and collides with an identical mass at rest. After collision they both move at angle 30^(@) with original direction. Find ratio of final speed of the mass to initial speed.

AAKASH INSTITUTE-MOTION IN A STRAIGHT LINE-ASSIGNMENT (SECTION - A)
  1. If a body is moving with constant speed, then its acceleration

    Text Solution

    |

  2. Velocity of a body is variable when

    Text Solution

    |

  3. An object is moving with variable speed, then

    Text Solution

    |

  4. The position of a particle moving along x-axis is given by x = 10t - 2...

    Text Solution

    |

  5. A car moves with speed 60 km//h for 1 hour in east direction and with ...

    Text Solution

    |

  6. A person travels along a straight road for the first (t)/(3) time with...

    Text Solution

    |

  7. If the displacement of a particle varies with time as sqrt x = t+ 3

    Text Solution

    |

  8. A boat covers certain distance between two spots on a river taking 't(...

    Text Solution

    |

  9. A particle starts moving with acceleration 2 m//s^(2). Distance trav...

    Text Solution

    |

  10. The two ends of a train moving with constant acceleration pass a certa...

    Text Solution

    |

  11. The initial velocity of a particle is u (at t = 0) and the acceleratio...

    Text Solution

    |

  12. A trian starts from rest from a station with acceleration 0.2 m/s^(2) ...

    Text Solution

    |

  13. The position x of particle moving along x-axis varies with time t as x...

    Text Solution

    |

  14. A particle moves in a straight line and its position x at time t is g...

    Text Solution

    |

  15. A body is projected vertically upward direction from the surface of ea...

    Text Solution

    |

  16. A particle start moving from rest state along a straight line under th...

    Text Solution

    |

  17. A body is projected vertically upward with speed 40m/s. The distance t...

    Text Solution

    |

  18. A body is moving with variable acceleartion (a) along a straight line....

    Text Solution

    |

  19. A body is projected vertically upward with speed 10 m//s and other at ...

    Text Solution

    |

  20. The position of a particle moving along x-axis given by x=(-2t^(3)-3t^...

    Text Solution

    |