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22 April, 03:49

Given two vectors a⃗ = 4.60 i^ + 7.20 j^ and b⃗ = 5.10 i^ - 2.70 j^, find the scalar product of the two vectors a⃗ and b⃗.

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  1. 22 April, 04:16
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    A=

    b=

    The scalar product, or the inner product, or the dot-product, is by summing the products of the respective directions,

    a. b=4.6*5.1+7.2*2.7

    =23.46+19.44

    =42.9
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