十万火急呀,步骤要写清楚,按物理解题格式写

9个回答

(1)V瓶=V水=m水/p水=(700g-200g)/1g/cm3=500cm3
(2)m金属=1000g-200g=800g V水=m水/p水=（1409g-1000g)/1g/cm3=409cm3
则V金属=V瓶-V水=500cm3-409cm3=91cm3
(3)p金属=m金属/V金属=800g/91cm3=8.79g/cm3=8.79*103kg/m3