Posted by **dmkp** on Tuesday, January 29, 2013 at 11:14am.

The second moment of area of a hollow cylindrical beam with an inner radius of 18mm and an outer radius of 20mm is equal to

A) 2.7x10-9m 4

B) 4.3x10-8 m 4

C) 7.9x10 - 13m 4

D) 2.7x10 3 m 4

- mechanics of materials -
**Elena**, Tuesday, January 29, 2013 at 12:58pm
J=π(D²-d²)/32 =...

## Answer This Question

## Related Questions

- math - A hollow cylinder with outer radius r0 and inner radius ri is loaded by a...
- Materials Science - A hollow cylinder with outer radius r0 and inner radius ri ...
- physics - You have two cylindrical solenoids, one inside the other, with the two...
- Physics - A yo-yo is spun from rest by pulling on the string with a constant ...
- Physics - A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an ...
- Physics - A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an ...
- Univ Physics-resistance - A hollow cylindrical resistor with inner radius r1 and...
- college - Positive charge is distributed throughout a long non-conducting ...
- physics - A spherical shell is formed by taking a solid sphere of radius 20.0 cm...
- Physics - A capacitor is constructed of two concentric conducting cylindrical ...

More Related Questions