e) Determine the distance between the person and the ground, to the nearest tenth of a metre, after 30 seconds. O How long from the start of the ride does it take for the person to be at a height of 5 metres above the ground? Answer to the nearest tenth of a second.
e) Determine the distance between the person and the ground, to the nearest tenth of a metre, after 30 seconds. O How long from the start of the ride does it take for the person to be at a height of 5 metres above the ground? Answer to the nearest tenth of a second.
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Question
Only solve part e and f
Transcribed Image Text:The graph shows the height, h metres above the ground, of a person in a chair on a Ferris
wheel after r seconds as the wheel completes two revolutions.
The minimum height of the Feris wheel is 2 metres and the maximum height is 20 metres.
20
15
10
NO
20
30
40
50
60
a) Determine the armplitude and equation of the midline of the graph.
Transcribed Image Text:11m above the ground
c) If it takes 16 seconds for the person to retum to the same height as in b), detemine
the period.
T= 328
d) Write the sinusoidal function represented by the graph in the form h() - a sin br + d.
Express the parameters as exact values.
•h(t) = 9sin (pie/16 t) +11
%3D
e) Determine the distance between the person and the ground, to the nearest tenth
of a metre, after 30 seconds.
O How long from the start of the ride does it take for the person to be at a height
of 5 metres above the ground? Answer to the nearest tenth of a second.
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