The total charge on the semicircle is Q. However, the charge per unit length along the semicircle is non-uniform and given by 0 λ = λ θ cos . (a) What is the relationship betweenλ0 , R and Q?

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

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step-by-step explanation:

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step-by-step explanation: