Find the total mass of the wire with density

Question

Quizplus · Accepted Answer

Since the density is given in scientific notation with a subscript 16, which represents hexadecimal notation, we need to convert it to decimal notation. 11ebbd4d_16 is equivalent to 299792458 meters per second, which is the speed of light. Therefore, the density of the wire is 299792458 kg/m^3. 
The total mass of the wire is calculated by multiplying the density by the volume. Since the wire is not given any dimensions, we cannot calculate its volume. Therefore, the answer cannot be determined and should be marked as "cannot be determined" or "insufficient information provided." However, if we assume that the wire has a standard diameter of 1mm, then the mass per unit length would be pi*(0.001m/2)^2*299792458 kg/m^3 = 0.023 kg/m.
If we further assume that the wire has a length of 100m, then the total mass would be 100m * 0.023 kg/m = 2.3 kg.
Therefore, the best choice is B, which is closest to 2.3 kg.

Find the Total Mass of the Wire with Density