Physic
posted by Me .
The composite bar BCD in the figure is composed of an inner aluminum cylindrical core of length 2L=2 m and radius R=1 cm, and a sleeve of steel of length L=1 m and thickness R=1 cm surrounding the aluminum core in the CD section of the bar. The bar is fixed at B and at D, and a concentrated load FC=100 kN is applied at the midsection C.

0.4 mm for last problem.
Anyone for MPa first problem please? 
HW3_4B: 0.49

Anyone for the first problem and others?

HW3_1A: 86.8

Thanks Pa!
HW3_2c:
0.79 mm
0.71 m
ANyone had chances with others?
HW3_2a:
HW3_2b:
or HW3_3? 
The composite bar BCD in the figure is composed of an inner aluminum cylindrical core of length 2L=2 m and radius R=1 cm, and a sleeve of steel of length L=1 m and thickness R=1 cm surrounding the aluminum core in the CD section of the bar. The bar is fixed at B and at D, and a concentrated load FC=100 kN is applied at the midsection C.
plz help 
HW3___1B ?

hw3_1b?
any one knows the answer?
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