Answer:
L = 3.51
Explanation:
Pendulum equation is T = 2pi[tex]\sqrt{L/9.81}[/tex]
T = 1.5 and we are solving for L
1.5=2[tex]\pi \sqrt{L/9.81}[/tex]
square both sides to get 2.25 = 2[tex]\pi ( L/9.81)[/tex]
multiply both sides by 9.81 then divide by 2 and 3.14 as a substitue for pi. The answer should be about 3.51 in length
L = 3.51
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