Home
Class 12
PHYSICS
A car is moving on a straight road cover...

A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest with a speed of 60 km/h. The average speed of the car is

A

40 km/h

B

50 km/h

C

36 km/h

D

55 km/h

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|19 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|7 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Try Yourself|40 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - D)|15 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise SECTION D|16 Videos
AAKASH INSTITUTE-MOTION IN STRAIGHT LINE-Assignment (SECTION - A)
  1. A person starts walking and comes back to its initial position after 2...

    Text Solution

    |

  2. Which of the following quantities can never be negative?

    Text Solution

    |

  3. A car is moving on a straight road covers one third of the distance wi...

    Text Solution

    |

  4. A car travels half of the distance with constant velocity 40 km/h and ...

    Text Solution

    |

  5. SI unit of acceleration is

    Text Solution

    |

  6. A particle goes from A to B s with uniform acceleration. Its velocity ...

    Text Solution

    |

  7. A trolley moves down a slope from rest with constant acceleration. In ...

    Text Solution

    |

  8. A car moving with a constant speed on a straight track takes a band in...

    Text Solution

    |

  9. The slope of velocity-time graph for uniform motion of an object is

    Text Solution

    |

  10. The position-time graph of an object is a straight line parallel to ti...

    Text Solution

    |

  11. The position-time graph of a moving particle is a straight line inclin...

    Text Solution

    |

  12. The displacement-time graph for two particles A and B are straight lin...

    Text Solution

    |

  13. A particle starting from rest undergoes a rectilinear motion with acce...

    Text Solution

    |

  14. The displacement-time graph of two moving objects A and B are shown in...

    Text Solution

    |

  15. The position-time graph of a moving particle is a shown. The instantan...

    Text Solution

    |

  16. The variation of velocity of a particle moving along a straight line i...

    Text Solution

    |

  17. A body moving with uniform retardation covers 3 km before its speed is...

    Text Solution

    |

  18. The velocity-time graph of an object is shown below. The part of the g...

    Text Solution

    |

  19. The velocity-time graph of a particle moving along a straight line is ...

    Text Solution

    |

  20. The velocity-time graph of an object is shown below. The acceleration ...

    Text Solution

    |