8. What is the dot product of two vectors of magnitudes 3 and 5, if angle between them is 60
(b) 75
(c) &A
(d) 8.6
Answers
Answered by
1
Answer:
=7.5
Explanation:
dot product is ABcos(theta)
=3×5cos60
=15×1/2
=7.5
Answered by
61
Dot products of two vectors A and B
= ABsin@
where,
@ is the angle between A and B
putting the magnitude
Dot product = 3 × 5 × cos60
= 15/2
= 7.5
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