Answer
16 ft after 1 sec.
64 ft after 2 sec.
144 ft after 3 sec.
256 ft after 4 sec.
Work Step by Step
Substitute each given value and resolve.
$16t^2=16(1)^2=16\times1=16$
$16t^2=16(2)^2=16\times4=64$
$16t^2=16(3)^2=16\times9=144$
$16t^2=16(4)^2=16\times16=256$
