Предмет: Физика, автор: grossssy

35 баллов. СРОЧНО. Номер 179

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Автор ответа: LisaLisa203
0
1. Дано: m=89кг Р=8900кг/м3 V=? Решение: V=m:Р P=89кг:8900кг/м3=0,01м3 2.Дано: m=80кг V=0,1м3 Р=? Решение: Р=m:V P=80кг:0,1=800кг/м3-это либо керосин, либо спирт, либо нефть. 3. Дано: V=0,0001м3 P=1030кг/м3 m=? Решение: m=VP m=0,0001м3*1030кг/м3=0,103м3
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