Question

A pendulum completes 10 oscillations in 5 s .What is it's time period

Answer 1

Answer:

I know questions but not this

Explanation:

A pendulum completes 2 oscillations in 5 s. What is its time period

2 oscillations in 5 s hence 1 oscillation in 2.5 s which is its time period

T=2π

g

l

2.5=2π

g

l

l=10×

4π

2

6.25

=1.58m

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