If a unit vector is represented by 0.5 i
Asked by admin @ in Physics viewed by 290 People
If a unit vector is represented by 0.5 i + 0.8 j + ck then find the missing c
Answered by admin @
|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
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