if the vectors A and B are of magnitude 4 and 3 cm making 30° and 90° respectively with x-axis, their scalar product will be?
A. 0 cm²
B. 18cm²
C. 6cm²
D. 21cm²
Thanks in advance
Answers
Answered by
2
Scaler product =a. b=abCosTheta
a. b=4*3Cos60°
a. b=12*1/2
a. b=6
thus, scaler product along x-axis will be 6cm² i. e. , option C
a. b=4*3Cos60°
a. b=12*1/2
a. b=6
thus, scaler product along x-axis will be 6cm² i. e. , option C
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