Home
Class 8
MATHS
From a light-house an observer two ships...

From a light-house an observer two ships `A` and `B`. Ship `A` proceeding towards north at a speed `20sqrt(2) km//h` and ship `B` proceeding towards north-east at a speed of `20 km//h`. Find in which direction and at what speed the ship `B` would appear to move to an observer standing on the deck of the ship `A`.

A

`4` pm

B

`4.30` pm

C

`3` pm

D

`2.30` pm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DISTANCE, TIME AND SPEED

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet-21|10 Videos

  • DATA HANDLING

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 27|10 Videos

  • EXPONENTS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos

Similar Questions

Explore conceptually related problems

A ship is travelling due east at a speed of 15 km//h. Find the speed of a boat heading 30^@ east of north if it appears always due north from the ship.

Ship A is moving towards south with speed 3m/s and ship B is travelling due west with speed 4m/s Find the velocity of ship B with respect to ship A

A ship A is moving Westwards with a speed of 10kmh^(-1) and a ship B 100km South of A is moving northwards with a speed of 10kmh^(-1) . The time after which the distance between them shortest is

A ship is steaming towards east with a speed of 8 m/s. A women runs across the deck at a speed of 6 ms^(-1) towards north. What is the velocity of the women relative to the sea ?

A ship A is moving westwards with a speed of 10 km h^(-1) and a ship B 100 km south of A, is moving northwards with a speed of 10 km h^(-1) The time after which the distance between them becomes shortest, is

A car is moving towards east with a speed of 25 km h^-1 . To the driver of the car, a bus appears to move towards north with a speed of 25 sqrt(3) km h^-1 . What is the actual velocity of the bus ?

A ship is sailing towards the north at a speed of 1.25m/s .The current is taking it towards the east at the rate of 1m/s and a sailor is climbing a vertical pole on the ship at the rate of 0.5m/s. Find the velocity of the sailor in space.

Distance between two stations is 450km. A train from A starts moving towards B at the speed of 15km/ h another train from B starts moving towards A 20 minutes before the first train with the speed of 20km/ h. Find at what distance from A will they meet each other.

S CHAND IIT JEE FOUNDATION-DISTANCE, TIME AND SPEED -Unit Test-3
  1. If an amount of Rs. 1,50,000 is shared among A, B and C in the rati...

    Text Solution

    |

  2. Two vessels contain mixture of milk and water in the ratio of 1:3 and ...

    Text Solution

    |

  3. A man's income is increased by Rs. 1200 and at from the same time, ...

    Text Solution

    |

  4. In an institute 60% of the students are boys and the rest are girls....

    Text Solution

    |

  5. Jai sells a shirt at a profit of 25 per cent. Had he bought it at 25 p...

    Text Solution

    |

  6. A person buys two watches for Rs. 1,000. He sells one at a loss of 5% ...

    Text Solution

    |

  7. A dealer buys an article listed at Rs. 100 and gets successive discoun...

    Text Solution

    |

  8. A manufacturer marks his goods at 40% above the cost price. He allows ...

    Text Solution

    |

  9. The average of four consecutive even numbers is one-fourth of the sum ...

    Text Solution

    |

  10. The average weight of 3 men A ,\ B and C is 84 kg. Another man D...

    Text Solution

    |

  11. A person invested some amount at the rate of 12% simple interest an...

    Text Solution

    |

  12. Shubhaiaxmi took a loan of Rs 18000 from Surya Finance to purchase a ...

    Text Solution

    |

  13. Sanju puts equal amount of money one at 10% per annum compound interes...

    Text Solution

    |

  14. A machine depreciates in value each year at the rate of 10% of its pre...

    Text Solution

    |

  15. A, B and C can do a piece of work in 36, 54 and days respectively. ...

    Text Solution

    |

  16. A certain number of men, twice as many women and thrice as many boys e...

    Text Solution

    |

  17. Two taps P and Q can fill an empty tank in 15 hours and 30 hours respe...

    Text Solution

    |

  18. From a light-house an observer two ships A and B. Ship A proceeding to...

    Text Solution

    |

  19. Two trains of equal length are running on parallel lines in the same d...

    Text Solution

    |

  20. A man rows a boat upstream a certain distance and then returns back to...

    Text Solution

    |