A metal wire `4m` long and `2xx10^(-7)sq.m` in cross-section is streched by a force of `30N`. If the work done in streching that wire is `4.5xx10^(-2)J` the young's modulus of the wire is

A metal wire 4m long and 2 xx 10^(-7) sq.m in cross-section is stretched by a force of 30N. If the work done in stretching that wire is 4.5x10^(-2)J the young.s modulus of the wire is

A wire of 10m long and 1mm^(2) area of cross section is strechted by a force of 20N . If the elongation is 2mm the young's modulus of the material of the wire (in Pa ) is

A wire of length 10 m and cross-section are 10^(-6) m^(2) is stretched with a force of 20 N. If the elongation is 1 mm, the Young's modulus of material of the wire will be

The length of a wire is 1.0 m and the area of cross-section is 1.0 xx 10^(-2) cm^(2) . If the work done for increase in length by 0.2 cm is 0.4 joule, then Young's modulus of the material of the wire is

A wire having Young's modulus 2 xx 10^(11)N//m^(2) is stretched by a force. If the energy stored per unit volume of the wire is 40 "joule"//m^(3) , then the stress produced in the wire is

(a) A wire 4 m long and 0.3mm in diameter is stretched by a force of 100 N. If extension in the wire is 0.3 mm, calculate the potential energy stored in the wire. (b) Find the work done is stretching a wire of cross-section 1mm^(2) and length 2 m through 0.1 mm. Young's modulus for the material of wire is 2.0xx10^(11) Nm^(-2) .

(a) A wire 4 m long and 0.3mm in diameter is stretched by a force of 100 N. If extension in the wire is 0.3 mm, calculate the potential energy stored in the wire. (b) Find the work done is stretching a wire of cross-section 1mm^(2) and length 2 m through 0.1 mm. Young's modulus for the material of wire is 2.0xx10^(11) Nm^(-2) .

A uniform wire of length 6m and a cross-sectional area 1.2 cm^(2) is stretched by a force of 600N . If the Young's modulus of the material of the wire 20xx 10^(10) Nm^(-2) , calculate (i) stress (ii) strain and (iii) increase in length of the wire.