- #1
Evangeline101
- 112
- 5
Homework Statement
Homework Equations
The Attempt at a Solution
a) Here is a sketch of the graph. The lowest point on the Ferries Wheel is 2.5 m and the highest point is 2.5 m + 50.5 m = 53 m. It completes a full cycle every 120 seconds and starts at the lowest point.
b) The highest point the rider will reach is 2.5 m + 50.5 m = 53 m
c) Okay so here is where my problem starts:
amplitude: 25.25 m a = 25.25
Period = 120 seconds k = 360/120 = 3
Vertical shift =
53 + 2.5/2= 27.75 c = 27.75
Phase shift = This is the part of the equation I am having trouble with. Can someone explain how to identify the phase shift for this equation, if there even is one?
Okay, so far the equation looks like this:
y= 25.25 sin (3(x - ____ )) + 27.75
( I am assuming the equation is sine, I am not sure if this is correct, it would be greatly appreciated if someone could explain how to identify a sine or cosine graph and let me know if this one is sine or cosine)
d) e) I haven't worked on these two since I have yet to complete the previous part.
Also, I have searched the internet for other explanations on this question, and they all explain using radians and pi ( to find k), I have not learned this method in my course, and think I should stick to the way I have been taught while answering this question. Thanks :)