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

4 m/s west

D

4m/s south

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS-2D

    ALLEN |Exercise Exercise (O-2)|47 Videos

  • KINEMATICS-2D

    ALLEN |Exercise Exercise (S-2)|14 Videos

  • GRAVITATION

    ALLEN |Exercise EXERCISE 4|9 Videos

  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos

Similar Questions

Explore conceptually related problems

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?

A ball of mass 0.2 kg is thrown in the vertical direction with a velocity of 2 m/ s . At the top of its path. (1) What is the value of its velocity ? (2) What is the value of its acceleration ? (3) What is the value of the force acting on it ?

Hailstones falling vertically with speed of 10 m/s hit with respect to himself the windscreen of a moving car and rebound elastically. Find the velocity of the car if the driver find the hailstones rebound vertically after striking. Windscreen makes an angle 30^(@) with the horizontal.

A man is moving due east with a speed 1 km/hr and rain is falling vertically with a speed sqrt(3) km/hr. At what angle from vertical the man has to hold his umbrella to keep the rain away. Also find the speed of rain drops w.r.t. man.

Hailstones falling vertically with speed of 10 m/s hit with respect to himself the windscreen of a moving car and rebound elastically. Find the velocity of the car if the driver find the haolstones rebound vertically after striking. Windscreen makes an angle 30^(@) with the horizontal.

A player throws a ball upwards with an initial speed of 29.4 ms^(-1) (a) What is the direction of acceleration during the upward motion of the ball ? (b) What are the velocity and acceleration of the ball at the highest point of its motion ? (c) Choose the x = 0 m and t=0 s to be the location and time of the ball at its highest point vertically downward direction to be the positive direction of x-axis and give the signs of position, velocity and acceleration of the ball during its upward and downward motion. (d) To what height does the ball rise and after how long does the ball return to the player's hands ? (Take g = 9.8 ms^(-2) and neglect air resistance).

A player throwsa a ball upwards with an initial speed of 29.4 ms^(-1) . (i) What is the direction of acceleration during the upwared motion of the ball? (ii) What are the velocity and acceleration of the ball at the highest point of its motion? (iii) Choose the x=0 and t=0 to be the location and time of the ball at its highest point, vertically downward direction to be the positive direction of X-axis, and give the signs of positive, velocity and acceleration of the ball during its upward, and downward motion. (iv) To what height does the ball rise and after how long does the ball return to the player's hand?( Take g =9.8 ms^(-2) , and neglect air resistance).

A man starts running along a straight road with uniform velocity observes that the rain is falling vertically downward. If he doubles his speed, he finds that the rain is coming at an angle theta to the vertical. The velocity of rain with respect to the ground is :

An observer is travelling in east with a velocity of 2 m/s and observes that wind is blowing in north with a velocity of 2m/s. If observer doubles his velocity then find out the velocity of wind appears to observer ?

ALLEN -KINEMATICS-2D-Exercise (O-1)
  1. A flag is mounted on a car moving due North with velocity of 20 km//hr...

    Text Solution

    |

  2. Three ships A, B and C are in motion. The motion of A as seen by B is ...

    Text Solution

    |

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

    Text Solution

    |

  4. A boat which has a speed of 5km per hour in still water crosses a rive...

    Text Solution

    |

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

    Text Solution

    |

  6. A motor boat is to reach at a point 30^@ upstream on the outer side of...

    Text Solution

    |

  7. A ball is thrown from the top of 36m high tower with velocity 5m//ss a...

    Text Solution

    |

  8. A particle moves in the xy plane and at time t is at the point vec r= ...

    Text Solution

    |

  9. A particle moves in the xy plane with a constant acceleration 'g' in t...

    Text Solution

    |

  10. Two particle A and B projected along different directions from the sam...

    Text Solution

    |

  11. Positions of two vechicles A and B with reference to origin O and thei...

    Text Solution

    |

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

    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. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  16. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  17. A particle leaves the origin with initial velocity vec(v)(0)=11hat(i)+...

    Text Solution

    |

  18. By the term velocity of rain, we mean velocity with which raindrops fa...

    Text Solution

    |

  19. By the term velocity of rain, we mean velocity with which raindrops fa...

    Text Solution

    |

  20. If 2×10^(6) electrons/s are flowing through an area of cross section o...

    Text Solution

    |