<prompt> Dzokorora ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwe chete sezvinotaurwa mundima iyi: Passage: Heavy ions that are spherical when at rest should assume the form of pancakes or flat disks when traveling at nearly the speed of light. Uye chokwadi ndechekuti, mhedzisiro yakawanikwa kubva pakurovera kwechikamu inogona kungotsanangurwa kana kuwanda kwehuwandu hwehuwandu hwehuwandu hwehuwandu hwe  <response>: nucleon density nekuda kwekupfupika kureba 