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Answer any FIVE of the following ques 11) Mention the supplementary units in SI system.12) Mention any two uses of velocity time graph.13) Define scalar product of two vectors. |
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Answer» The scalar product of two vectors A and B is a scalar quantity equal to the product of the magnitudes of the two vectors and the cosine of the smallest angle between them. The scalar product is commutative, A×B = B×A. When we form the scalar product of two vectors, we multiply theparallelcomponent of the two vectors |
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