Home
Class 12
PHYSICS
What are the speeds of two objects if, w...

What are the speeds of two objects if, when they move uniformly towards each other, they get 4 m closer in each second and when they move uniformly in the same direction with the original speeds, they get 4 m closer each 10 s?

A

`2.8 m//s` and `1.2 m//s`

B

`5.2 m//s` and `4.6 m//s`

C

`3.2 m//s` and `2.1 m//s`

D

`2.2 m//s` and `1.8 m//s`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I (ASSERTION REASONING TYPE)|2 Videos
  • KINEMATICS

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II|20 Videos
  • KINEMATICS

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (SUBJECTIVE) LEVEL-II & III|15 Videos
  • HEAT AND TEMPERATURE

    FIITJEE|Exercise NUMERICAL BASES QUESTIONS|1 Videos
  • LAWS OF MOTION

    FIITJEE|Exercise COMPREHENSION-III|2 Videos

Similar Questions

Explore conceptually related problems

Find the speed of two objects if, when they move unifromly towards each other, they get 4.0 metre closer each sec and when they move uniformly in the same direction with the original speeds, they get 4.0 m closer each 10 s.

Find the speed of two objects if ,when they move uniformly towards each other, they get 5 m closer in every second and when they move uniformly in the same direction with their original speed , they get 4m closer every 10s

When two objects move uniformly towards each other, they get 4 metres closer each second and when they move uniformly in the same direction with original speed, they get 4 metres closer each 5s . Find their individual speeds.

When two bodies movie uniformly towards each other, the distance between then decreases by 6metres // second . If both the bodies move in the same direction with their same speed, the distance between them increases by 4 metres / second . What are the speeds of the two bodies.

When two bodies move uniformly towards each other, the distance between them decreases by 8 m//s . If both the bodies move in the same direction with the same speeds, the distance between them increases by 4 metre per second. What are the speeds of two bodies ?

There are two trains runing on two parallel tracks length of each train I s 120 m when they are runing in opposite directions they cross each other in 4 seconds and when they are runing in the same direction they cross in 12 seconds.What is the speed of the faster train?

There are two trains running on two parallel tracks. Length of each train is 120 m. When they are running in opposite directions, they cross each other in 4 seconds and when they are running in the same direction they cross in 12 seconds. What is the speed of the faster train?

Two cars move uniformly towards each othar, the distance between them decreases at the rate 50 m/s. If they move in same direction with different speeds, the distance between them increases at the rate 10 m/s. The speed of two cars will be

Distance between A and B is 650 km. When they move towards each other they meet in 10 hours. If A starts moving after 4 hours 20 minutes than B then they meet in 8 hours. Find out their speeds.

Two cars get closer by 8 m every second while traveling in the opposite directions. They get closer by 0.8 m while traveling in the same directions. What are the speeds of the two cars ?

FIITJEE-KINEMATICS-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I
  1. A ball of mass m is attached to one end of a light rod of length l, th...

    Text Solution

    |

  2. Body A of mass M is dropped from a height of 1 m and body. B of mass 3...

    Text Solution

    |

  3. A particle moves parallel to X-axis as shown in the figure such that a...

    Text Solution

    |

  4. A ball is projected horizontally from an inclined plane with a velocit...

    Text Solution

    |

  5. A particle travels two and a half revolutions of the circle of radius ...

    Text Solution

    |

  6. A dics is rotating in a room. A boy standing near the rim of the disc ...

    Text Solution

    |

  7. A swimmer wishes to reach directly opposite bank of a river, flowing w...

    Text Solution

    |

  8. A car acceleration from rest at a constant rate 2m//s^(2) for some tim...

    Text Solution

    |

  9. The co-ordinates of a moving particle at any time t are given by x = c...

    Text Solution

    |

  10. A man can swim at a speed of 5 km/h W.r.t water. He wants to cross a 1...

    Text Solution

    |

  11. A particle starts moving in a circular path of radius R with an initia...

    Text Solution

    |

  12. Two particles start moving simultaneously from points (0, 0) and (1, 0...

    Text Solution

    |

  13. A bomber moving horizontally with 500m//s drops a bomb which strikes g...

    Text Solution

    |

  14. The acceleration-time graph of a particle moving along a straight line...

    Text Solution

    |

  15. A motor boat of mass m moves along a lake with velocity v(0). At t = 0...

    Text Solution

    |

  16. What are the speeds of two objects if, when they move uniformly toward...

    Text Solution

    |

  17. The velocity of a particle defined by the relation v = 8 -0.02x, where...

    Text Solution

    |

  18. A particle moves according to the equation t = ax^(2)+bx, then the ret...

    Text Solution

    |

  19. A particle moves in the x-y plane with velocity vx = 8t-2 and vy = 2. ...

    Text Solution

    |

  20. A particle is moving in a circle of radius R in such a way that at any...

    Text Solution

    |