UP-03-03Q：

What are (a) the x component and (b) the y component of a vector in the xy plane if its direction is counterclockwise from the positive direction of the x axis and its magnitude as 7.3m?

(a)__________(m)

(b)__________(m)

UP-03-03A

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UP-03-24Q：

Vector , which is directed along an x axis, is to be added to vector , which has a magnitude of 6.0 m. The sum is a third vector that is directed along the y axis, with a magnitude that is 3.0 times that of .What is that magnitude of ?

||=___m

UP-03-24A

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