Home
Class 11
PHYSICS
Rain is falling vertically with a speed ...

Rain is falling vertically with a speed of `30 ms^(-1)` . A woman rides a bicycle with a speed of `10 ms ^(-1)` in the north to south direction . What is the direction in which she should hold her umbrella ?

Text Solution

Verified by Experts

The correct Answer is:
About `18^(@)` with the vertical , towards the south.
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NCERT GUJARATI|Exercise EXCERCISES|30 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NCERT GUJARATI|Exercise Exercises|16 Videos
  • MOTION IN A STRAIGHT LINE

    NCERT GUJARATI|Exercise ADDITIONAL EXERCISES|5 Videos

Similar Questions

Explore conceptually related problems

Rain is fallinf vertically with a speed of 35 m s^(-1) . A women rides a bicycle with a speed of 12 ms ^(-1) in east to west dicrection . What is the direction in which she should hold her umbrella ?

Rain is falling vertically with a speed of 20ms^(-1) ., A person is running in the rain with a velocity of 5 ms^(-1) and a wind is also blowing with a speed of 15 ms^(-1) (both from the west) The angle with the vertical at which the person should hold his umbrella so that he may not get drenched is:

A girl riding a bicycle along a straight road with a speed of 5 ms^(-1) throws a stone of mass 0.5 kg which has a speed of 15 ms^(-1) with respect to the ground along her direction of motion. The mass of the girl and bicycle is 50 kg. Does the speed of the bicycle change after the stone is thrown ? What is the change in speed, if so

A train of 150 m length is going toward north direction at a speed of 10 ms^-1 . A parrot flies at a speed of 5 ms^-1 toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to.

A train standing at the outer signal of a railway station blows a whistle of frequency 400Hz in still air. (i) What is the frequency of the whistle for a platform observer when the train (a) approaches the platform with a speed of 10 ms^(-1) . (b) recedes from the platform with a speed of 10ms^(-1) ? (ii) What is the speed of sound in each case? The speed of sound in still air can be taken as 340ms^(-1) .

A stone is throuwn in a vertically upward direction with a velocity of 5 ms ^(-1). If the acceleration of the stone during its motion is 10 ms ^(-2) in the downword direction, what will be the height attained by the stone and how much time will it take to reach there ?

Two parallel rail tracks are in north-south direction. Train A moves towards north with a speed of 72 kmh^(-1) and train B moves towards south with a speed of 108 kmh^(-1) What is the (a) velocity of B with respect to A ?, (b) velocity of ground with respect to B ? and (c) velocity of a monkey running on the roof of the train A against its motion (with a velocity of 27 kmh^(-1) with respect to the train A) as observed by a man standing on the ground?

A train standing in a station-yard, blows a whistle of frequency 400Hz in still air. The wind starts blowing in the direction from the yard to the station with a speed of 10 ms^(-1) . What are the frequency wavelength and speed of sound for an observer standing on the station's platform? Is the situation exactly identical the case when the air is still and the observer runs towards the yard at a speed of 10 ms^(-1) ? The speed of sound in still air can be taken as 340 ms^(-1)

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 :

NCERT GUJARATI-MOTION IN A PLANE-EXCERCISES
  1. On an open ground , a motorist follows a track that turns to his left ...

    Text Solution

    |

  2. A passenger arriving in a new town wishes to go from the station to a ...

    Text Solution

    |

  3. Rain is falling vertically with a speed of 30 ms^(-1) . A woman rides ...

    Text Solution

    |

  4. A man can swim with a speed of 4.0 km/h in still water . How long doe...

    Text Solution

    |

  5. In a harbour , wind is blowing at the speed of 72 km/h and the flag on...

    Text Solution

    |

  6. The celling of a long hall is 25 m high What is the maximum horizontal...

    Text Solution

    |

  7. A cricketer can throw a ball to a maximum horizontal distance of 100 m...

    Text Solution

    |

  8. A stone tied to the end of astring 80 cm long is whirled in a horizon...

    Text Solution

    |

  9. An aircraft executes a horizontal loop of radius 1.00 km with a steady...

    Text Solution

    |

  10. Read each statement below carefully and state , with reasons , if it i...

    Text Solution

    |

  11. The position of a particle is given by r=3.0hati-2.0t^(2)hatj+4.0...

    Text Solution

    |

  12. A particle starts from the origin at t=0 s with a velocity of 10.0hatj...

    Text Solution

    |

  13. hatiandhatj are unit vectors along x - and y- axis respectively . What...

    Text Solution

    |

  14. For any arbitrary motion in space , which of the following relations a...

    Text Solution

    |

  15. Read each statement below acrefully and state , with reasons and exam...

    Text Solution

    |

  16. An aircraft is flying at a height of 3400 m above the ground . If th...

    Text Solution

    |

  17. A very has magnitude and direction . Does it have a location in space...

    Text Solution

    |

  18. A vector has both magnitude and direaction . Does it mean that anythin...

    Text Solution

    |

  19. Can you associate vectors with (a) the length of a wire bent into a lo...

    Text Solution

    |

  20. A bullet fired at an angle of 30^(@) with the horizontal hits the grou...

    Text Solution

    |