Question 441562
An Object falling from rest covers distance of d = 9800t²mm in t seconds.
 Solve this equation for t and determine how many seconds it takes for an object to fall 22,050 mm.
:
Replace d with 22,050
:
9800t^2 = 22050
t^2 = {{{22050/9800}}}
t^2 = 2.25
t = {{{sqrt(2.25)}}}
t = 1.5 seconds to fall 22,050 mm
:
:
Check solution
9800(1.5^2) =
9800(2.25) = 22050