Question

plz answer this question guys

Answer 1

Answer:

value of c is √0.11 required answer

Answer 2

Explanation:

For unit vector , magnitude = 1

$\sqrt{ {0.5}^{2} + {0.8 }^{2} + {c}^{2} }$

0.25 + 0.64 + c^2 =1

0.89 + c^2 = 1

c^2 = 1 - 0.89

c^2 = 0.11

c = root 0.11

c = 0.331

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