Arturo O. answered • 08/23/17

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(a)

He completes 1 cycle in twice the time it takes to complete half a cycle. It takes half a cycle to get from the top to the bottom.

T = 2(65 - 5) s = 120 s

(b)

The difference between maximum and minimum heights must equal twice the radius.

2r = (9 - 1) m

r = 4 m

(c)

Unable to graph or sketch in this format.

(d)

I am not clear what you mean by "corresponding cosine equation".

Arturo O.

_{min }+ r + r cos[ω(t - 5)] = 1 + 4{1 + cos[ω(t - 5)]}08/23/17