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Grade: 11

                        

A unit vector is represented by a i ^ +b j ^ +c k^ . If a =0.6 and b=0.8 find c

3 years ago

Answers : (5)

sonika p
129 Points
							
since, a i^ + bj^ + ck^ is a unit vector, 
root(a2 +b2 +c2) =1
a2+b2+c2=1
0.62  + 0.82  + c2 =1
0.36 + 0.64+ c2 =1
1 +c2 =1
c2 =0
thus, c =0
3 years ago
Gitanjali Rout
184 Points
							
since, a i^ + bj^ + ck^ is a unit vector, 
root(a2 +b2 +c2) =1
a2+b2+c2=1
0.62  + 0.82  + c2 =1
0.36 + 0.64+ c2 =1
1 +c2 =1
c2 =0
thus, c =0jk
2 years ago
Gitanjali Rout
184 Points
							
root(a2 +b2 +c2) =1
a2+b2+c2=1
0.62  + 0.82  + c2 =1
0.36 + 0.64+ c2 =1
1 +c2 =1
c2 =0
thus, c =0 hju ..............................................................................................
2 years ago
Gitanjali Rout
184 Points
							
since, a i^ + bj^ + ck^ is a unit vector, 
root(a2 +b2 +c2) =1
a2+b2+c2=1
0.62  + 0.82  + c2 =1
0.36 + 0.64+ c2 =1
1 +c2 =1
c2 =0
2 years ago
Gitanjali Rout
184 Points
							
since, a i^ + bj^ + ck^ is a unit vector, 
root(a2 +b2 +c2) =1
a2+b2+c2=1
0.62  + 0.82  + c2 =1
0.36 + 0.64+ c2 =1
1 +c2 =1
c2 =0 ….
2 years ago
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