The magnitudes of vectors A, B, …
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Posted by Alyen Sharma 7 years, 4 months ago
- 2 answers
Chirag Solanki 7 years, 4 months ago
A + B = C
(A + B)2 = C2
A2 + B2 + 2ABCOS thita = C2
144 + 25 + 2(12)(5)cos thita = 169
169 + 120 cos thita = 169
120 cos thita = 0
cos thita = 0
thita = 900
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Priyanshu Singh 7 years, 4 months ago
1Thank You