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school exam (lower 6)
1(a) Given the expression X=ρAѵ where ρ ,A, ѵ represent density, cross-sectional area and velocity respectively. What quantity does X represent?(2m) Solution: [ρAѵ]=ML-3xL2xLT-1 =M/T X=The rate of change of mass (b) A quantity
1(a) Given the expression X=ρAѵ where ρ ,A, ѵ represent density, cross-sectional area and velocity respectively. What quantity does X represent?(2m) Solution: [ρAѵ]=ML-3xL2xLT-1 =M/T X=The rate of change of mass (b) A quantity
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关于 "school"
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