5. 500 kg gold with a volume of 0.026 m
A. 0.193 kg/m3
B. 13 kg/m3
C. 19230 kg/m3
4

19230 kg/m^3

Explanation:

Divide its mass by its volume to get its density:

500 kg/0.026 m = 19230 kg/m^3

Also, please provide the question next time since other's didn't know what they should solve for in this problem-- I only knew because I had this same problem.

that the claims meet official rules.

don't misinterpret the claims

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray