From 1600 mm long sheet of copper plate 2 mm thickness, we have separated over the whole length the belt weighing 6000 g. Calculate belt width if one dm3 copper weighs 8.9 kg.

Correct answer:

b =  210.7 mm

Step-by-step explanation:

a=1600 mm=16 dm h=2 mm=0.02 dm m=6000 g=6 kg  m=ρV=ρabh b=mρah=68.9160.02100=210.7 mm

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