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A body moves in anticlockwise direction ...

A body moves in anticlockwise direction on a circular path in the x-y plane. The radius of the circular path is 5m and its centre is at the origin. In a certain interval of time, displacement of the body is obesrved to be 6m in the positive y-direction. Which of the following is true ?

A

Its initial position vector is `5hati` m

B

Its initial position vector is `(-3hati+4hatj)` m.

C

Its final position vector is `(4hati+3hatj)`m.

D

Its final position vector is `6hatj` m.

Text Solution

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The correct Answer is:
C
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ALLEN -UNIT & DIMENSIONS, BASIC MATHS AND VECTOR -Exercise (O-2) Single Correct Type Questions.
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  13. Find the component of vecr in the directioln of veca :-

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  14. Consider three vectors A=hati +hatj-2hatk, B=hati +hatj+2hatk and C=...

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