What load when suspended from an aluminium wire 2mm in diameter and 5m long will stretch it by 1mm ? Young's modulus `=7xx10^(10)Nm^(-2)`

What should be the weight suspended from the end of a steel wire 2 m in length and w mm in diameter to increase the length by 1 mm ? (Y=19xx10^(11)N//m^(2))

A Copper wire of length 2.2m and a steel wire of length 1.6m, both of diameter 3.0mm are connected end to end. When stretched by a load, the net elongation is found to be 0.70 mm. Obtain the load applied . Young's modulus of copper is 1.1 xx 10^(11)Nm^(-2) and Young's modulus of steel is 2.0 xx 10^(11)Nm^(-2) .

An iron wire of length 4 m and diameter 2 mm is loaded with a weight of 8 kg. if the Young's modulus Y for iron is 2xx10^(11)N//m^(2) then the increase in the length of the wire is

A steel wire of length 3.0m is stretched through 3.0 mm. the cross-sectional area of the wire is 5.0mm^(2) . Calculate the elastic potential energy stroed in the wire in the stretched condition. Young's modulus of steel is 2.0 xx 10^(11) Nm^(-2) .

What is the percentage increase in length of a wire of diameter 2.5 mm, stretched by a force of 100 kg wt ? Young's modulus of elasticity of wire =12.5xx10^(11) dyn e//cm^(2) .

A stone of 0.5 kg mass is attached to one end of a 0.8 m long aluminium wire of 0.7 mm diameter and suspended vertically . The stone is now rotated in a horizontal plane at a rate such that the wire makes an angle of 85^(@) with the vertical . find the increase in the length of the wire . The Young's modulus of aluminium = 7 xx 10^(10) Nm^(-2) , sin 85^(@) = 0.9962 , cos 85^(@) = 0.0872

How much force is required to produce an increase of 0.2 % in the length of a brass wire of diameter 0.6 mm (Young's modulus for brass =0.9 xx 10^(11) N//m^(2) )