The distance h a body will move in free fall is expresses by formula h=1/2gt^2. If g = 980 centimeters per second squared, and t= 20 seconds the distance is?

Question

The distance h a body will move in free fall is expresses by formula h=1/2gt^2.  If g = 980 centimeters per second squared, and t= 20 seconds the distance is?

anonymous · Answer

plug in the values and calc...

anonymous · Answer

I did...but my answer comes close...but doesn't match the given numbers...I am missing a step

anonymous · Answer

what did you get?

anonymous · Answer

A.9800 cent.
B. 49000 cent.
C. 196000 cent.
D 368000 cent.

I am coming up with 19600.  I can't find what I am doing wrong

anonymous · Answer

you're off by a factor of 10.  20^2 = 400, 1/2 of 980 is 490.  490 x 400 = 196000

anonymous · Answer

Oh my sequence was wrong ....amazing...thank you...I figured that would be the answer...but bothered me on why I was off.  Thank you for your help

anonymous · Answer

you're welcome