After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 48. The explorer finds that the pendulum completes 104...

After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 48.0 cm. The explorer finds that the pendulum completes 104 full swing cycles in a time of 145 s.What is the value of the acceleration of gravity on this planet?Express your answer in meters per second per second.