A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights $$ 8 g/cm^3 $$, then the weight of the pipe ($$ π= {22\over7}$$) is.
5 986 5ec5fa30980ff60a66c36242
Q:
A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights $$ 8 g/cm^3 $$, then the weight of the pipe ($$ π= {22\over7}$$) is.
- 13.696 kgtrue
- 23.6 kgfalse
- 336 kgfalse
- 436.9 kgfalse
- Show Answer
- Workspace
- Discuss