randiluck11 randiluck11 25-09-2022 Physics Answered On an airless planet, an astronaut drops a hammer from rest at a height of 15 m. The hammer hits the ground in 1 s. What is the acceleration due to the gravity on this planet? (A)10 m/s² (B) 15 m/s2 (C) 25 m/s² (D) 30 m/s²