Physics, asked by GulzarShaikh, 1 year ago

0.4 î+0.8 i+ck represents a unit vector when cis
(1) -0.2
(2) √0.2
(3) V0.8

Answers

Answered by sonaldureja1993

7

Answer:

2) √ 0.2

Explanation:

its magnitude=√ 0.4^2 + 0.8^2 + c^2=1

find c from here

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