Wednesday

October 1, 2014

October 1, 2014

Posted by **Anonymous** on Sunday, November 27, 2011 at 7:55pm.

- physics -
**Henry**, Monday, November 28, 2011 at 8:21pmd = Vo*t + 0.5g*t^2 = 180,

112t - 16t^2 - 180 = 0,

Divide both sides by 4:

28t - 4t^2 - 45 = 0,

-4t^2 + 28t - 45 = 0.

X = 2.5s. Use Quadratic Formula and use

the smaller of the 2 solutions.

**Answer this Question**

**Related Questions**

intermediate algebra - A projectile is launched directly upward from the top of ...

math - A projectile is fired directly upward with a muzzle velocity of 860 feet ...

math - You are standing on a bridge over a creek, holding a stone 20 feet above ...

math - an object is launched from ground level with an initial velocity of 400 ...

algebra - An object that is projected straight downward with initial velocity v ...

algebra - An object that is projected straight downward with initial velocity v ...

math - If a projectile is launched from a platform 30 feet high with an initial ...

math - A rocket is fired straight up from the ground with an initial velocity of...

algebra - You throw a tennis ball up in the air from an initial height of 4 feet...

Math - An object is launched upward from the ground with an initial vertical ...