Question

Given A = (x:x ∈ N, x < 7} and B= (x:x ∈ W, 2<x<3) Find:

(1) A-B

(11) AUB

(iii) An B

(iv) (AUB)​

Answer 1

Answer:

1.0 kg weight is suspended from a wire 10 m long & cross section area 2 mm2. If the strain be 0.001 % find the elongation of the wire & also calculate stress in the wire