Question

Pendulum formula need help asap

Answer 1

T = 2*PI* sq root (L / g)

Squaring both sides

T^2 = 4PI^2 * L/g

g = 4PI^2 * L / T^2

g = 4PI^2 * 1 / (3.27)^2

g = 39.4784176044 * 1 / 10.6929

g = 3.6920215848

(Wikipedia says 3.72076, so I'd say the calculation is correct).

Explanation: