# Answer to Question #1018 in Mechanics | Relativity for sabeen

Question #1018

To determine freefall acceleration on a moon with no atmosphere, you drop your handkerchief off the roof of a baseball stadium there. The roof is 113 meters tall. The handkerchief reaches the ground in 18.2 seconds. What is freefall acceleration on this moon? (State the result as a positive quantity.)

Expert's answer

From the equations of the motion

h = gt

g = 2h/t

h = gt

^{2}/2;g = 2h/t

^{2}= 2*113 / 18.2^{2}= 0.68 m/s^{2}Need a fast expert's response?

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