Two vectors are given by vec$(a)=7\mathrm{.}4$hat$(i)+4\mathrm{.}6$hat$(j)$ and vec$(b)=6\mathrm{.}3$hat$(i)+1\mathrm{.}4$hat$(j).$ Find $($a$)|vec(a)$vec$(b)|,($b$)$ vec$(a)*vec(b),($c$)(vec(a)+$vec$(b))*vec(b),$ and $($d$)$ the

component of vec$(a)$ along the direction of vec$(b)?$

$($a$)$ Number

$($b$)$ Number

$($c$)$ Number

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This answer has no units

m

$($d$)$ Number

Units