A metal wire of length 2.5 m and area of cross section `1.5 xx 10^-6 m^2` is stretched through 2 mm. Calculate the work done during stretching.
(Y= `1.25xx 10^11 Nm^-2`).

A steel wire of length 5 m and area of cross-section 4 mm^(2) is stretched by 2 mm by the application of a force. If young's modulus of steel is 2xx10^(11)N//m^(2), then the energy stored in the wire is

A wire of length 20 m and area of cross section 1.25 xx 10^(-4) m^2 is subjected to a load of 2.5 kg. (1 kgwt = 9.8N). The elongation produced in wire is 1 xx 10^(-4) m. Calculate Young’s modulus of the material.

A wire of length 20 cm and area of cross-section 1.25 xx 10^-4 m^2 is subjected to a load of 2.5 kg (1 kgwt = 9.8 N). The elongation produced in the wire is in 10^-4 m. Calculate Young's Modulus of the material.

A steel wire having crosssectional area 1.2 mm2 isstretched by a force of 120 N. If a lateral strain of 1.455 xx 10^-4 is produced in the wire, calculate the Poisson's ratio. (Y for steel = 2 xx 10^11 N//(m^2)

Calculate the work done in stretching a steel wire of length 2 m and cross sectional area 0.0225 mm2, when a load of 100 N isslowly applied to its free end. (young's Modules of steel= 2 xx 10^11 N//m^2 )

A metal wire of length L_1 and area of cross-section A is attached to a rigid support. Another metal wire of length L_2 and of the same cross-sectional area is attached to free end of the first wire. A body of mass M is then suspended from the free end of the second wire. If Y_1 and Y_2 are the Young's moduli of the wires respectively, the effective force constant of the system of two wire is

A brass wire of length 4.5 m, with cross-section area of 3 xx 10^-5 m^2 and a copper wire of length 5.0 m with cross section area 4 xx 10^5 m^2 are stretched by the same load. The same elongation is produced in both the wires. Find the ratio of Young's Modulus of brass and copper.

A brass wire of length 4.5m with cross-section area of 3xx10^(-5) m^2 and a copper wire of length 5.0 m with cross section area 4xx10^(-5) m^2 are stretched by the same load. The same elongation is produced in both the wires. Find the ratio of Young’s modulus of brass and copper.

A wire of length 10 m and area 0.625 xx 10^-4 m^3 is subjected to a load of 1.25 kg (1 kg wt = 9.8 N). The elongations produced in the wire is 0.5 xx 10^-4m . Calculate young's Modulus of the material.

The force constant of a wire is k and that of another wire is . 2k When both the wires are stretched through same distance, then the work done