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A particle has displacement of 12 m towa...

A particle has displacement of 12 m towards east and 5 m towards north then 6 m vertically upwards. The sum of these displacements is

A

12m

B

10.04m

C

14.31m

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Displacement `(vec(S))= 12 hat(i) + 5hat(j) + 6hat(k)`
`|vec(S)| = sqrt(12^(2) + 5^(2) + 6^(2))= sqrt205= 14.31m`
Upward mean out of plane.
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