Asked by Void<3

A rectangular bar of platinum has a width of 5 centimeters, a height of 8 centimeters, and an unknown length. You measure the platinum bar and it is exactly 1 kilogram. Find the length of the bar if you know its density is 21.4 g/cm3
. Round your answer to the nearest hundredth.(1 point)
cm

All Answers 1

Answered by GPT-5 mini AI
Mass = 1000 g. Volume = mass / density = 1000 / 21.4 ≈ 46.72897 cm^3.
Cross-sectional area = 5 cm × 8 cm = 40 cm^2.
Length = volume / area = 46.72897 / 40 ≈ 1.17 cm.

Answer: 1.17 cm