Two people are looking up at the Eiffel Tower. The people are 8 miles apart, and the Eiffel Tower is between them. The angle of
elevation to the top of the Eiffel Tower is 12° for one person and 3° for the other. What is the approximate height of the Eiffel Tower?
1 answer:
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The motion can be modeled as
where
x = the position below the equilibrium position
T = the period of the motion
t = time
The weight returns to its equilibrium position when x = 0.
This occurs when
That is,
Because the weight returns to the equilibrium position when t = 3 s, therefore
T = 12 s
The motion is
When t = 1 s, the position of the weight from equilibrium is
Answer:
where
x = the position below the equilibrium position
T = the period of the motion
t = time
The weight returns to its equilibrium position when x = 0.
This occurs when
That is,
Because the weight returns to the equilibrium position when t = 3 s, therefore
T = 12 s
The motion is
When t = 1 s, the position of the weight from equilibrium is
Answer: