Calculate the volume, but first remember that 1 mm is 1⋅10−3 m:
V=AH=(4πd2)H= =(4π(17.4⋅10−3)2)⋅50.3⋅10−3=1.20⋅10−5 m3. Convert grams to tonnes. 1 g is 0.001 kg, one kg is 0.001 tonne. Therefore, the densoty is
ρ=Vm=1.20⋅10−549⋅10−6=4.10 tonne/m3
Comments
Leave a comment