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A displacement vector, at an angle of 30...

A displacement vector, at an angle of `30^(@)` with y-axis has an x-component of `10` units. Then the magnitude of the vector is-

A

5

B

10

C

11.5

D

20

Text Solution

Verified by Experts

The correct Answer is:
D

`cos 60^(@)=10/(r) rArr r=10/(1//2)=20` units
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ALLEN-MISCELLANEOUS-Exercise-01
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