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A girl walks 4 km towards west, then sh...

A girl walks 4 km towards west, then she walks 3 km in a direction `30^o`east of north and stops. Determine the girls displacement from her initial point of departure.

A

`sqrt(23)`

B

`sqrt(3)`

C

`sqrt(13)`

D

`sqrt(15)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-VECTOR ALGEBRA -EXERCISE 10 (a) Short Answer Type Questions
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  2. Classify the following as scalars and vector: 40^0

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  3. Classify the following measures as scalars and vectors (i) 20 m nort...

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  4. Classify the following measures as scalars and vectors. (i) 10 k...

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  5. Classify the following as scalars and vector: 10^-19 Coulomb

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  6. Classify the following measures as scalars and vectors : 20 m//s^(2)

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  7. Classify the following measures as scalars and vector: 1000 cm^3

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  8. Classify the following measures as scalars and vector: 10 Newton

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  9. Classify the following measures as scalars and vectors : 30 km/h.

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  10. Classify the following as scalar and vector quantities. (i) time pe...

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  11. Classify the following as scalar and vector quantity: distance

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  12. Classify the following as scalar and vector quantity: force

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  13. Classify the following as scalar and vector quantities : velocity

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  14. Classify the following as scalar and vector quantity: work

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