part A) You win the lottery and decide to impress your friends by exhibiting a m

Question

part A)
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. At the time, gold is selling for 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035g .How tall would your million-dollar cube be? d=?cm
part B)
A hollow cylindrical copper pipe is 1.40M long and has an outside diameter of 3.50 cm and an inside diameter of 2.20cm . How much does it weigh? w=?N
part c)
In intravenous feeding, a needle is inserted in a vein in the patient's arm and a tube leads from the needle to a reservoir of fluid (density 1050 kg/m^3) located a height h above the arm. The top of the reservoir is open to the air.
If the gauge pressure inside the vein is 5980pa , what is the minimum value of that allows fluid to enter the vein? Assume the needle diameter is large enough that you can ignore the viscosity of the fluid.

Explanation / Answer

well...it'd weigh 72,910.22035g... gold has a density of 19.30 g/mL measuring in centimeters, it'd take 1cm for every 19.3g of gold (1cm^3 = 1mL) so, that weight divided by 19.3, which is 3,777.731624 so, w/o my math for the weight & ignoring significant figures, i guess it'd be 3,777.731624cm tall & wide

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