A rod of two sections of area 625mm² and 2500mm² of length 120cm and 6

Question

A rod of two sections of area 625mm² and 2500mm² of length 120cm and 60cm respectively. If the load applied is 45kN then what will be the elongation (E = 2.1x 10⁵ N/mm²)?

Options:

A . 0.462mm

B . 0.521mm

C . 0.365mm

D . 0.514mm

Answer: Option A
Answer: (a).0.462mm

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