A pendulum completes 2 oscillations in 5sec what is the time period if g= 9.8^2 find the length
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Frequency= 2 / 5 Hz
So, Time period reciprocal of it.
T = 5 / 2 s = 2.5 s
T = 2 π √ l / g
By solving this,
l = T² g / 4 π²
l = (2.5)² × 9.8 / 4 × (22 / 7)²
l = 6.25 × 9.8 / 4 × 484 / 49
l = 61.25 / 9.877 × 4
So, Time period reciprocal of it.
T = 5 / 2 s = 2.5 s
T = 2 π √ l / g
By solving this,
l = T² g / 4 π²
l = (2.5)² × 9.8 / 4 × (22 / 7)²
l = 6.25 × 9.8 / 4 × 484 / 49
l = 61.25 / 9.877 × 4
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