3. Free Fall: A ball is dropped from a window that is 35 meters above ground level. • How fast is the ball traveling when it reaches the ground?
• How long does the ball take to reach the ground?

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the answer is kevlar

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach