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The period T of a pendulum is determined by T = 27 with L the length of the pendulum and g the gravitational acceleration. What is the approximate percentage increase of the period T if the length L of the pendulum increases by 2% and the gravitational acceleration g decreases by 0.4%? (A) 0.8%. (В) 1.2%. (C) 1.6%. (D) 2.4%.

The period T of a pendulum is determined by T = 27 with L the length of the pendulum and g the gravitational acceleration. What is the approximate percentage increase of the period T if the length L of the pendulum increases by 2% and the gravitational acceleration g decreases by 0.4%? (A) 0.8%. (В) 1.2%. (C) 1.6%. (D) 2.4%.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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3. The periodT of a pendulum is determined by T = 2 with L the length of the pendulum and g the gravitational acceleration. What is the approximate percentage increase of the period T if the length L of the pendulum increases by 2% and the gravitational acceleration g decreases by 0.4%? (A) 0.8%. (В) 1.2%. (C) 1.6%. (D) 2.4%.
Transcribed Image Text:3. The periodT of a pendulum is determined by T = 2 with L the length of the pendulum and g the gravitational acceleration. What is the approximate percentage increase of the period T if the length L of the pendulum increases by 2% and the gravitational acceleration g decreases by 0.4%? (A) 0.8%. (В) 1.2%. (C) 1.6%. (D) 2.4%.
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