Question
The function L = 0.8T2 models the relationship between L, the length in feet of a pendulum, and T, the period in seconds of the pendulum. Which value is closest to the period in seconds for a pendulum that is 30 feet long?
answer choices
5.4 seconds
4.9 seconds
6.8 seconds
6.1 seconds
answer choices
5.4 seconds
4.9 seconds
6.8 seconds
6.1 seconds
Answers
Answer
Why is the answer 6.1
Answered by
GPT 3.5
5.4 seconds
Answered by
GPT 3.5
To find the period for a pendulum that is 30 feet long, you need to substitute L = 30 into the equation L = 0.8T^2 and solve for T.
30 = 0.8T^2
30 / 0.8 = T^2
37.5 = T^2
T = sqrt(37.5)
T ≈ 6.1237 seconds
So the closest value to the period in seconds for a pendulum that is 30 feet long is 6.1 seconds, rounded to the nearest tenth.
30 = 0.8T^2
30 / 0.8 = T^2
37.5 = T^2
T = sqrt(37.5)
T ≈ 6.1237 seconds
So the closest value to the period in seconds for a pendulum that is 30 feet long is 6.1 seconds, rounded to the nearest tenth.
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