Problem with physics acceleration

[pdot]

' On wet pavement, a car can be accelerated with a maximum acceleration a = .20 g before its tires slip. '
a) starting from rest, how fast is it moving after 2.0s
b)how far has it moved after 4.0s

i have looked over this question plenty of times and have never got the right answer. i have looked at the answer key and found that it used ' 9.8m/s squared ' in the equation. is this right?

 

[PhanthomJay]

' On wet pavement, a car can be accelerated with a maximum acceleration a = .20 g before its tires slip. '
a) starting from rest, how fast is it moving after 2.0s
b)how far has it moved after 4.0s

i have looked over this question plenty of times and have never got the right answer. i have looked at the answer key and found that it used ' 9.8m/s squared ' in the equation. is this right?

If an object accelerates at 1 g on Earth, it is accelerating at 9.8m/sec², where g is the acceleration of gravity on Planet Earth. So a 0.20 g acceleration is 1.96 m/sec²

 

[pdot]

yeah i went to my physics class and found out that my teacher had missed that. i got (.2)(9.8)(2) = 3.9m/s