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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 ?

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The correct Answer is:
About `18^(@)` with the vertical , towards the south.
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NCERT TAMIL-MOTION IN A PLANE-EXCERCISES
  1. On an open ground , a motorist follows a track that turns to his left ...

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

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

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  4. A man can swim with a speed 4km/hr in still water. (a) How long does...

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

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  6. The ceiling of a long hall is 25 m high. What is the maximum horizonta...

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

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

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  9. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

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

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  11. The position of a particle is given by r=3.0thati-2.0t^(2)hatj+4....

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

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  13. hati and hatj are unit vectors along x-axis and y-axis respectively wh...

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

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  15. Read each statement below carefully and state with reason and examples...

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

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  17. A vector has magnitude and direction (i) Does it have a location in th...

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  18. A vector has both magnitude and direction. Does that mean anything tha...

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

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

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