the scalar and vector product of two vectors having magnitude 6N and 3N is same the angle between them will be ;. A) 30 B) 45 C) 60 D) 0 option b is correct but i don't know how? can you please explain ?
Answers
Answered by
2
Answer:
R=
A
2
+B
2
2(A)(B)cos60
R=
25+25+2×25×
2
1
R=
75
R=8.66
For angle, ∠=tan
−1
[
A+Bcosθ
Bsinθ
]
∠=tan
−1
⎣
⎢
⎢
⎢
⎡
5+5×
2
1
5×
2
3
⎦
⎥
⎥
⎥
⎤
∠=tan
−1
[
3
1
]
∠=30°
Answered by
0
Answer:
it is 45 deg reer plss mark me brainliest
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