Answer:
Take a look at this screen shot hope it helps
Step-by-step explanation:
t = √1.5/g
1/2gt^2 = 3
Divide both sides by 1/2
gt^2 = 1.5
Divide both sides by g
t^2 = 1.5/g
Square root both sides
i thimk is two number wich is
c 9.8
d 12 cm
yoou
are
add
them
up
i think it is 1.127