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WebNov 29, 2024 · Get rid of dark urine stains using hydrogen peroxide. Hydrogen peroxide is a type of bleach, so don’t use this approach on your dark-colored hardwood, as it can … WebVerified answer. physics. An elevator cable breaks when a 920-kg elevator is 28 m above a huge spring \left (k=2.2 \times 10^ {5} \mathrm {N} / \mathrm {m}\right) (k = 2.2×105N/m) at the bottom of the shaft. Calculate the amount the spring compresses (note that work is done by both the spring and gravity in this part). Verified answer. Webcontain hydrogen hydrogen Prior art date 1980-08-29 Application number ZM71/81A Other languages English (en) Original Assignee Snam Progetti Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 1980-08-29 ... shop stern