A pendulum of length 2 meters is taken to the moon. if this pendulum makes 10 oscillations in 32.0 seconds, what is the value of gravitational acceleration on this moon?
a. 3.86 m/s^2
b. 2.54 m/s^2
c. 7.71 m/s^2
d. 9.86 m/s^2
The solution calculates gravitational acceleration on moon.