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I have a

**.535kg ball**that I drop from an

**unkown height**, to create an

**impact with a force of 6.8 Joules**.

I need to figure out what height to drop the ball from.

I figure it has something to do with accleration due to gravity and Netwons law F=mA or possibly a kinetic energy equation.

Right now I am scrambling to find the answer.

Can anyone please help?