Ball of mass 1 kg is attached to a copper wire of negligible mass but length 1 m and area of cross section `10^-6` `m^2`. now the wire and ball rotated in horizontal circle through one end of the wire, on increasing the angular velocity to 100 rad/s, the wire breaks down then breaking stress of wire is

A copper wire of negligible mass, 1 m length and cross-sectional area 10^(-6) m^(2) is kept on a smooth horizontal table with one end fixed. A ball of mass 1 kg is attached to the other end. The wire and the ball are rotating with an angular velocity of 20 rad//s . If the elongation in the wire is 10^(-3) m . a. Find the Young's modulus of the wire (in terms of xx 10^(11) N//m^(2) ). b. If for the same wire as stated above, the angular velocity is increased to 100 rad//s and the wire breaks down, find the breaking stress (in terms of xx 10^(10) N//m^(2) ).

A copper wire of negligible mass, length l and corss-section A is kept on a smooth horizontal table with one end fixed. A ball of mass m is attached to the other end. The wire and the ball are rotating with an angular velocity omega . If elongation in the wire is Deltal , obtain the expression for the Young's modulus. (mL^(2)omega)/(ADeltaL) (m omega^(2)L^(2))/(A DeltaL) (momega^(2)L)/(A DeltaL) (m omegaL)/(A DeltaL)

A bob of mass 10 kg is attached to wire 0.3 m long. Its breaking stress is 4.8 xx 10^(7) N//m^(2) . The area of cross section of the wire is 10^(-6) m^(2) . The maximum angular velocity with which it can be rotated in a horizontal circle

A bob of mass 10 kg is attached to wire 0.3 m long. Its breaking stress is 4.8 xx 10^(7) N//m^(2) . The area of cross section of the wire is 10^(-6) m^(2) . The maximum angular velocity with which it can be rotated in a horizontal circle

A 0.1 kg mass is suspended from a wire of negligible mass. The length of the wire is 1 m and its cross - sectional area is 4.9xx10^(-7) m^(2) . If the mass is pulled a little in the vertically downward direction and released , it performs SHM with angular frequency 140 rad s^(-1) . If the young's modulus of the material of the wire is pxx10^(9) Nm^(-2) , find the value of p .

A block of mass M is suspended from a wire of length L, area of cross-section A and Young's modulus Y. The elastic potential energy stored in the wire is

One end of a Nichrome wire of length 2L and cross-sectional area A is attached to an end of another Nichrome wire of length L and cross-sectional area 2A . If the free end of the longer wire is at an electric potential of 8.0 volts, and the free end of the shorter wire is at an electric potential 1.0 volts, the potential at the junction of the two wires is equal to

Resistivity of potentiometer wire is 10^(-7) ohm metre and its area of cross-section is 10^(-6)m^2 . When a current l=0.1A flows through the wire, its potential gradient is:

A body of mass m = 10 kg is attached to a wire of length 0.3m. The maximum angular velocity with which it can be rotated in a horizontal circle is (Given, breaking stress of wire = 4.8 xx 10^(7) Nm^(-2) and area of cross-section of a wire = 10^(-6) m^(2) )

A bob of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8xx10^(7) N//m^(2) . Then area of cross-section of the wire is 10^(-6) m^(2) . What is the maximum angular velocity with which it can be rotated in a horizontal circle?