Iron ball

The iron ball weighs 100 kilograms. Calculate the volume, radius, and surface if the iron's density is h = 7.6g/cm3.

Correct answer:

V =  13.1579 dm3
r =  1.4645 dm
S =  26.9531 dm2

Step-by-step explanation:

m=100 kg h=7600 kg/m3  m = h V  V1=m/h=100/7600=7610.0132 m3  V=V1 dm3=V1 1000  dm3=0.0132 1000  dm3=13.158 dm3=13.1579 dm3
V = 34   π   r3  r=34πV 3=34 3.141613.1579 3=1.4645 dm
S=4π r2=4 3.1416 1.46452=26.9531 dm2



Did you find an error or inaccuracy? Feel free to write us. Thank you!



Showing 1 comment:
Math student
I think it’s wrong





Tips for related online calculators
Do you know the volume and unit volume, and want to convert volume units?
Tip: Our Density units converter will help you convert density units.
Do you want to convert mass units?

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: