Asked by Ahmed

Hello, I want to know what the amplitude and the phase shift would be for this question to model the equation

Q. A pendulum is connected to a rope 3 m long, which is connected to a ceiling 4 m high. The angle between its widest swing and vertical hanging position is pi/3. If the pendulum swings out to its widest position in 2 seconds, model the height of the pendulum from the ground using a cosine function, considering vertical to be t = 0.
Answered by Ahmed
Would it be 4-3/2=1/2 for the amplitude?
Answered by Steve
lowest height = 4 - 3 = 1
greatest height = 4 - 3/2 = 5/2
amplitude = (5/2 - 1)/2 = 3/4
Answered by Ahmed
Ok. I want to know how you got the maxiumum height, I knew the minimum height.
Answered by Ahmed
Can you please explain how you got the value of 3/2 for the height when the pendulum was at its widest swing?
Answered by Ahmed
Steve, can you please explain how you got 3/2 for the height of the pendulum at its widest position
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