Question

If a unit vector is represented by 0.5i +0.8j+ck, the value of cis
a) 1
b) 10.11
c) 10.01
d) 0.39​

Answer 1

Answer:

0.39

it is what it is. and i am going to make it only of 20 words

Answer 2

Answer:

√0.25 + 0.64 + c^2 = 1

√0.89 +c^2 = 1

c = √0.11