Force gauge 2

A force gauge measured the force of a gold necklace as Fg = 0.48 N in air and Fvz = 0.45 N in water. Is it made of pure gold?

Result

x=




Step-by-step explanation:

F1=0.48 N F2=0.45 N  F3=F1F2=0.480.45=1003=0.03 N  ρ1=997 kg/m3 ρ2=19300 kg/m3 g=9.81 m/s2  F1 = m g m=F1/g=0.48/9.81=327160.0489 kg  F3 = ρ1   g   V  V=ρ1 gF3=997 9.810.03=32601913.0673106 m3  ρ=Vm=3.06731060.0489=15952 kg/m3 ρ < 19300 kg/m3  ρ < ρ2  x=0



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