Name same objects or site question or situations in real life where quadratic equation are illustrated? formulate quadratic equation out of these objects and describe each. Maybe you can help me from this?

this is hard. look for word problems that uses quadratic equation to solve it.
yeah. is was to hard for me. :(


Here is an example of it

but you have to solve it and explain it by your self..

A ball is thrown straight up, from 3 m above the ground, with a velocity of 14 m/s. When does it hit the ground?