120. A rubber cord 10 m long is suspended vertically. How much does it stretch under its own weight (Density of rubber is 1500
A rubber cord 10 m long is suspended vertically. How much does it stretch under its own weight (Density of rubber is 1500 kg/m3, Y = 5×108 N/m2, g = 10 m/s2)
(a) 15×10–4 m (b) 7.5×10–4 m
(c) 12×10–4 m (d) 25×10–4 m
Answer-a
(3)