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.

Question

Mathematics

Mariana Townsend

12 July, 18:06

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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Answers (1)

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Jaylen House · Answer 1

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