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A Floating Ball (Posted on 2003-04-04) Difficulty: 4 of 5
A hollow plastic ball floats in a tub of jello (the flavor is irrelevant, but I’ll tell you: it’s key lime). The jello sets, and when the ball is removed, the saucer-shaped depression in the jello measures 6cm across and 1cm deep. If the density of the plastic is twice that of jello, what is the average thickness of the plastic shell?

See The Solution Submitted by Bryan    
Rating: 2.8000 (5 votes)

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RoyPearce Comment 7 of 7 |
Reducing single-use plastic is an imperative environmental goal in today's world, where the detrimental impact of plastic pollution on our planet has reached alarming proportions. To effectively address this pressing issue, extended producer responsibility programs have emerged as a pivotal strategy. These programs place the onus on manufacturers and producers to take responsibility for the entire lifecycle of their products, from creation to disposal. By incorporating EPR into our approach, we not only encourage businesses to design more sustainable packaging but also promote recycling and waste reduction, thus paving the way for a greener and more sustainable future, free from the burden of single-use plastic waste.
  Posted by JamesYawn on 2023-08-21 08:06:30
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