A sonometer wire of length `1.5m` is made of steel. The tension in it produces an elastic strain of `1%`. What is the fundamental frequency of steel if density and elasticity of steel are `7.7 xx 10^(3) kg//m^(3)` and `2.2 xx 10^(11) N//m^(2)` respectively ?

A steel wire of mass 3.16kg is streached to a tensite strain of 1xx10^(-3) . What is the elastic deforemaiton energy if density rho = 7.9 g//cc and Y = 2xx10^(11) N//m^(2)

Calculate the speed of longitudinal wave in steel. Young's modulus for steel is 3xx10^(10)N//m^(2) and its density 1.2xx10^(3)kg//m^(3)

A block of weight 100 N is suspended by copper and steel wires of same cross sectional area 0.5 cm^(2) and, length sqrt(3) m and 1m, respectively. Their other ends are fixed on a ceiling as shown in figure. The angles subtended by copper and steel wires with ceiling are 30^(@) and 60^(@) , respectively. If elongation in copper wire is (Delta l_(C)) and elongation in steel wire is (Delta l_(s)) , then the ratio (Delta l_(C))/(Delta l_(s)) is - [Young's modulus for copper and steel are 1 xx 10^(11) N//m^(2) and 2 xx 10^(11) N//m^(2) , respectively]

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2 m. The wires at the endpoints are made of copper and the middle one is made of steel. If the tension in each wire is the same, then the diameter of copper wire to the diameter of steel wire is ["Given, "Y_("copper")=1.1xx10^(11)"N m"^(-2) and Y_("steel")=1.9xx10^(11)"N m"^(-2)]

What is the radius of a steel sphere that wil float on water with exactly half the sphere submerged ? Density of steel is 7.9 xx 10^(3)kg//m^(3) and surface tension of water is 7 xx 10^(-2)N .

A piano string 1.5 m long is made of steel of density 7.7 xx 10^(3) kg//m^(3) and gamma = 2 xx 10^(11) N//m^(2) . It is maintained at a tension which produces an elastic strain of 1 % in the string . What is the fundamental frequency of transverse vibration of the string ?

Elastic limit of a particular steel wire is 2.5 xx 10^(10) N//m^(2) maximum strain to which the wire be subjected without losing elasticity is (Y_("steel") = 2 xx 10^(11) N//m^(2))