Question

if 0.5 i +0.8J+ ck is a unit vector. Then c is​

Answer 1

|a+b+c|=1

√0.5²+0.8²+c²=1

squaring both sides  

0.5²+0.8²+c²=1

0.25+0.64+c²=1

c²+0.89=1.00

c²=0.11

c=√0.11

Explanation:

Answer 2

Answer:

a physics question 05 + 08j + ck