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A child is riding on a merry-go-round which rotates in a circular path a constant rate. The child's mother observes that the merry-go-round completes 4 revolutions in exactly 187 s. The child's radius is measured to be 2.35 m.

The child's speed is __i__ and her velocity is __ii___.

Question 2 options:

a)

i = constant | ii = constant


b)

i = changing | ii = constant


c)

i = constant | ii = changing


d)

i = changing | ii = changing


Sagot :

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