E) An astronaut lands on an alien planet. He uses a pendulum (L = 10.0cm) to produce simple harmonic motion, as shown in this graph.c. What is the acceleration due to gravity on the surface of the pla

E) An astronaut lands on an alien planet. He uses a pendulum (L = 10.0cm) to produce simple harmonic motion, as shown in this graph.c. What is the acceleration due to gravity on the surface of the planet in m/s2? Determine the number of g-forces.