Calculate the mass of a solid gold rectanglar bar

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Reference no: EM13317822

1. Calculate the mass of a solid gold rectanglar bar that has dimensions lwh = 4.20 cm x 12.0 cm x 30.0 cm. (the density of gold is 19.3x10^3 kg/m^3.)

_______kg (answer)

2. A 195-kg load is hung on a wire of 4.20 m, cross-sectional are 2.00x10^-5 m^2, and Young's modulus 8.00x10^10 N/m^2. What is its increase in lengths?

________mm (answer)

Reference no: EM13317822

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