Answer:
gravitational acceleration is 24.69 m/s²
Explanation:
given data
length = 0.81
time = 1.138 s
to find out
gravitational acceleration
solution
we will apply here time formula that is express as
T = 2π × [tex]\sqrt{\frac{l}{g} }[/tex] ................1
here t is time , l is length and g is gravitational acceleration
so put here all value and find g
g = [tex]\sqrt{\frac{l}{\frac{T^2}{4 \pi ^2} } }[/tex]
g = [tex]\sqrt{\frac{0.81}{\frac{1.138^2}{4 \pi ^2} } }[/tex]
g = 24.69
so gravitational acceleration is 24.69 m/s²
