I have a school project and we need to put an egg in a milk carton and drop it off our schools clock tower. It has to be in a milk carton, that's the only rule. There can be padding and whatnot too.
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foam and duct tape ("
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Put it in cotton in the milk carton, tie a 1.54 story string to it, lower the string until it's only a tiny bit off the ground. drop the string.
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Minimize G-force. You'll need to create several designs and test them. Make an attempt to reduce speed and mass. These both affect the force with which objects strike the ground.