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irakobra [83]
3 years ago
9

a ferris wheel rotates around in 30 seconds. the maximum height above theground is 55 feet and the minumum height above the grou

nd is 5 feet. what function would model the height as a funtion of T in seconds
Mathematics
2 answers:
hram777 [196]3 years ago
4 0
55 times 30 is 1650 and 30 times 5 is 150
The answer is 1650 over 150
vovikov84 [41]3 years ago
4 0

Answer:

The required function is h(T)=30\sin (\frac{\pi T}{15})+25.

Step-by-step explanation:

The general sine function is

y=A\sin (Bx+C)+D             .... (1)

Where, A is amplitude, \frac{2\pi}{B} is period, C is phase shift and D is midline.

It is given that the maximum height above the ground is 55 feet and the minimum height above the ground is 5 feet.

The amplitude of the function is

A=\frac{Maximum+Minimum}{2}=\frac{55+5}{2}=30

The Midline of the function is

D=\frac{Maximum-Minimum}{2}=\frac{55-5}{2}=25

A ferris wheel rotates around in 30 seconds. So, the period of the function is 30.

\frac{2\pi}{B}=30\Rightarrow B=\frac{2\pi}{30}=\frac{\pi}{15}

2\pi=30B

Substitute A=30, B=\frac{\pi}{15}, C=0 and D=25 in equation (1), to find the required function.

y=30\sin (\frac{\pi}{15}x+0)+25

The required variable is T. Replace the variable x by T. So the height function is

h(T)=30\sin (\frac{\pi}{15}T+0)+25

Therefore the required function is h(T)=30\sin (\frac{\pi T}{15})+25.

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