maisymooch
23.07.2019 •
Biology
when parallel light rays exit a concave lens, the light rays diverge converge come together
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Ответ:
Ответ:
The mass of Aluminium if the volume is 8.5 cm³ is 22.95 grams
calculation
mass = density x volume
The density of Al is=2.7 g/cm³ (from given table)
volume = 8.5 cm³
mass is therefore = 2.7 g/cm³ x 8.5 cm³ =22.95 grams