Math Problem Statement
Suppose that a grandfather clock that has a pendulum with a length of 1.5 meter. You find that the clock runs fast so that it gains 10 seconds every hour. By how much should the pendulum be lengthened? Write your answer in mm to two significant figures.
Solution
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Math Problem Analysis
Mathematical Concepts
Pendulum Mechanics
Proportions
Period of a Pendulum
Formulas
T = 2π√(L/g)
T_fast/T_correct = √(L_fast/L_correct)
L_fast = L_correct × (T_fast/T_correct)^2
Theorems
Pendulum Period Formula
Suitable Grade Level
Grades 11-12 (Physics/Mathematics)
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