Home
Class 12
PHYSICS
Wind is blowing in the north direction a...

Wind is blowing in the north direction at speed of 2 m/s which causes the rain to fall at some angle with the vertical. With what velocity should acyclist drive so that the rain appears vertical to him:

A

2 m/s south

B

2m/s north

C

4m/s west

D

4m/s south

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    MOTION|Exercise EXERCISE 2 OBJECTIVE PROBLEMS (Level-2)|26 Videos

  • KINEMATICS

    MOTION|Exercise EXERCISE 3 SUBJECTIVE PROBLEMS (Level-1)|20 Videos

  • KINEMATICS

    MOTION|Exercise EXERCISE 1 OBJECTIVE PROBLEMS|103 Videos

  • HYDROSTATIC, FLUID MECHANICS & VISCOSITY

    MOTION|Exercise EXERCISE -3 (SECTION-B) PREVIOUS YEAR PROBLEM|7 Videos

  • KINETIC THEORY OF GASES

    MOTION|Exercise EXERCISE-3 SECTION-B|16 Videos

Similar Questions

Explore conceptually related problems

A standing man observes rain falling with the velocity of 20 m s^-1 at an angle of 30^@ with the vertical. (a) Find the velocity with which the amn should move so that rain appears to fall vertically to him. Now if he futher increases his speed, rain again appears to fall at 30^@ with the vertical. Find his new velocity.

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 glass wind screen whose inclination with the vertical can be changed is mounted on a car. The moves horizontally with a speed of 2m//s . At what angle alpha with the vertical should the wind screen placed so that the rain drops falling vertically downwards with velcoity 6m//s strike the wind screen perpendicularly?

Rain is falling vertically with a speed of 35 ms^(-1) . Winds starts blowing after sometime with the speeds of 12ms^(-1) in east to west direction. At what angles with the vertical should a boy waiting at a bus stop hold his umbrella to protect himself from rain?

To a man walking at 5kmph rain appears to fall vertically, and when he doubles his speed it appears to make an angle of 30^(@) with the vertical. Find the actual velocity of the rain. In what direction will rain appear to fall if the man suddenly turns around when his speed is 5 kmph?

A train is travelling along a horizontal rail at the rate of 90km//hr and rain, driven by wind blowing in the direction of motion of trani, falls at a velocity of 12.5m//s making an angle of 30^(@) to the vertical. Find the velocity of rain (in magnitude and direction) as seen from the train.

A man running at a speed of 5 km/h finds that the rain is falling vertically. When the stops running, the finds that the rain is falling at an angle of 60^(@) with the horizontal. The velocity of rain with respect to running man is

A man is standing on a road and observes that rain is failing at angle 45^(@) with the vertical. The man starts running on the road with constant acceleration 0.5m//s^(2) . After a certain time from the start of the motion, it appears to him that rain is still falling at angle 45^(@) with the vertical, with speed 2sqrt(2)m//s . Motion of the man is in the same vertical plane in which the rain is falling. Then which of the following staement(s) are true.

A man running on a horizontal road at 6 km//h finds the rain falling vertically. He doubles his speed and find that the raindrops make an angle 37^(@) with the vertical. Find the velocity of rain with respect to the ground.

MOTION-KINEMATICS-EXERCISE 2 OBJECTIVE PROBLEMS
  1. When two bodies move uniformly towards each other, the distance betwee...

    Text Solution

    |

  2. Two men P & Q are standing at corners A & B of square ABCD of side 8m....

    Text Solution

    |

  3. An aeroplane is flying in vertical plane at an angle of 30^(@) with t...

    Text Solution

    |

  4. Four particles situated at the corners of a square of side ‘a’ move at...

    Text Solution

    |

  5. A swimmer swins in still water at a speed =5 km//hr. He enters a 200m ...

    Text Solution

    |

  6. A man is crossing a river flowing with velocity of 5m//s. He reaches a...

    Text Solution

    |

  7. A boat having a speed of 5km//hr. in still water, crosses a river of w...

    Text Solution

    |

  8. A man is boat intends to cross river from A. If he rows perpendicular ...

    Text Solution

    |

  9. If a boat moves a distance x down stream in time ‘t’, then turns back ...

    Text Solution

    |

  10. A motrobaot covers the distance between the two sport on the river is ...

    Text Solution

    |

  11. Some persons hire a boat for 4 hours. The river flows at a speed of 5 ...

    Text Solution

    |

  12. A boy swims in a straight line to reach the other side of a river. His...

    Text Solution

    |

  13. Two projectiles are thrown simultaneously in the same plane from the s...

    Text Solution

    |

  14. Two projectiles are thrown simultaneously in the same plane from the s...

    Text Solution

    |

  15. Two projectivles are thrown simultaneously in the same plane from the ...

    Text Solution

    |

  16. Two projectivles are thrown simultaneously in the same plane from the ...

    Text Solution

    |

  17. A ship is travelling due east at 10 km/h. A ship heading 30^(@) east o...

    Text Solution

    |

  18. ·A pipe which can be swivelled in a vertical plane is mounted on a car...

    Text Solution

    |

  19. Wind is blowing in the north direction at speed of 2 m/s which causes ...

    Text Solution

    |

  20. A cannon ball has the same range R on a horizontal plane for two angle...

    Text Solution

    |