Answer:
A. 1.6 m/s²
Step-by-step explanation:
Use the formula given and solve for g. Use the length for L and the time for T.
T = 2π√(L/g)
T/2π = L/g
(T/2π)² = L/g
g = L/((T/2π)²)
g = 1/((4.9/2π)²)
g = 1/(0.7799)²
g = 1/0.6082
g = 1.64
