英语翻译
Performthisexperiment.Obtaintwoquartersandastringthatisaboutfifteencentimetreslong.Attachonecointoeachendofthestringwithasmallpieceoftape.Suspendonequarterovertheedgeofasmoothhorizontaltable.Placetheotherquarterflatonthetablesothatthestringisextended.Releasethecoins.Writeaonepagereportaboutwhatdetermineswhetherthecoinsremainstationaryorfalltothefloor.Thereportdoesnothavetouseaspecialformatandsinglespacingisacceptable.Youwillbemarkedonhowwellyouexplainscientificprinciplesandtheaccuracyofyourstatements.Yourreportshouldbeunderstandablebynonscientists.Ifyourefertotheworkofothers,youmustciteyoursources.
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