Question 318547
D=gt^2
 It fell the same distance on the earth and the moon so D=D  
Earth is G= 9.8 m/s 
(9.8)2^2 =.172(9.8)t^2
39.2=1.6856t^2
23.2558...= t^2
4.8 s = time it would take to fall on the moon