Question

A pendulum completes 2 ocillation in 5s.  What is its time period.  If g = 9.8 ms-2 , find its length.​

Answer 1

Answer:

1.55m

Explanation:

Time period is oscillations per second.^-1

Therfore: 5/2=2.5

2.5=2π√l/√g=1.55m

Answer 2

Answer:

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