Respuesta :
Answer: 4 feet (approx)
Step-by-step explanation:
Since, We know that the length of pendulum,
[tex]L= \frac{g.T^2}{4\pi^2}[/tex]
Where L is the length of pendulum
T is the period,
And, g is the gravitational acceleration.( g=9.8 [tex]m^2/sec[/tex])
Here, T= 2.2 seconds
Thus, Length of pendulum,[tex]L= \frac{9.8\times (2.2)^2}{4\times (3.14)^2}[/tex] = 1.20268570733 meter
1 meter= 3.28 ( approx)
Thus L= 1.20268570733 ×3.28 feet =3.94480912005 feet ≈4 feet
Answer:
The answer is B. 4 feet
Step-by-step explanation:
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