Monday

December 22, 2014

December 22, 2014

Posted by **Joe** on Thursday, April 15, 2010 at 6:21pm.

a) how long after it is kicked is the soccer ball at a height of 30 m ?

b) How long is the soccer ball in the air?

- math -
**MathMate**, Thursday, April 15, 2010 at 7:03pma)h=30, solve for t

30=-5t^2+25t

5(t^2-5t+6)=0

5(t-3)(t-2)=0

t=2 (ball going up) or

t=3 (ball going down)

b) h=0, solve for t

0=-5t^2+25t

5t(5-t)=0

t=0 or t=5

Make similar interpretations.

- math -
**tali**, Thursday, February 28, 2013 at 9:13amdde

**Answer this Question**

**Related Questions**

math - A soccer ball is kicked upward from the ground and its height (in metres...

Physics - 2-D kinematics - A soccer ball is kicked with an initial horizontal ...

algebra 1 NEED NOW!!! PLEASE HELPPP - The height of a soccer ball that is kicked...

algebra 1 NEED NOW!!! PLEASE HELPPP - The height of a soccer ball that is kicked...

math - The height of a soccer ball that is kicked from the ground can be ...

Math( please help) - a ball is kicked in the air from the top of a cliff. the ...

Math( please help) - a ball is kicked in the air from the top of a cliff. the ...

Physics - A soccer ball is kicked with an initial horizonal velocity of 18 m/s ...

math - Mariano is standing at the top of a hill when he kicks a soccer ball into...

math HELP - When a ball is thrown in the air, the height h of a ball in feet t ...