Posted by **Michael Alvarez** on Tuesday, March 20, 2012 at 1:52am.

A soccer ball is kicked upward from the ground with an initial vertical velocity of 3.6 meters per second. After how many seconds does it land?

- Physics??? -
**Writeacher**, Tuesday, March 20, 2012 at 7:21am
If you really want an expert to help you, be sure to follow directions and type your __subject__ in the **School Subject** box. Any other words, __including obscure abbreviations__, are likely to delay responses from a teacher who knows that subject well.

- physics -
**drwls**, Tuesday, March 20, 2012 at 8:38am
The total time in the air (T), if kicked straight up at initial velocity Vo, is twice the time that it takes to reach zero velocity. Maximum height is reached at t = T/2

T = 2 Vo/g = 2*3.6/9.8 = 0.73 seconds

- P.S. -
**drwls**, Tuesday, March 20, 2012 at 8:42am
The same answer will apply if Vo is the initial vertical COMPONENT of velocity. That was probably the intent of the question.

I overloooked your question at first becasue I am not an expert on quails.

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