A body of mass 1 kg is fastened to one end of a steel wire of cross- section area `3 xx 10^(-6)m^(2)` and is rotated in horizantal circle of radius 20 cm with a constant speed `2 m//s`. Find the elongation of the wire `(Y= 2 xx 10^(11) N//m^(2))`

A block of mass 1 kg is fastended to one end of a wire of cross-sectional area 2 mm^(2) and is rotated in a vertical circle of radius 20 cm. The speed of the block at the bottom of the circle is 3.5 ms^(-1) . Find the elongation of the wire when the block is at the top of the circle.

A block of weight 10 N is fastened to one end of a wire of cross sectional area 3 mm^2 and is rotated in a vertical circle of radius 20 cm. The speed of the block at the bottom of the circle is 2ms^-1 . Find the elongation of the wire when the block is at the bottom of the circle. Young modulus of the material of the wire =2xx10^11Nm^-2 .

A block of weight 10 N is fastened to one end of a wire of cross sectional area 3 mm^2 and is rotated in a vertical circle of radius 20 cm. The speed of the block at the bottom of the circle is 2ms^-1 . Find the elongation of the wire when the block is at the bottom of the circle. Young modulus of the material of the wire =2xx10^11Nm^-2 .

A block of mass 1 Kg is fastened to one each of a wire of cross-sectional area of 2mm^(2) and is rotated in verticle circle of radius 20cm . The speed of the block at the bottom of the circle is 3.5ms^(-1) . The elongation of the wire when the block is at top of the circle

A block of weight 10 N is fastened to one end of wire of cross-sectional area 4 mm^(2) and is rotated ina vertical circle of radius 30 cm. The speed of the block at the bottom of the circle is 3 ms^(-1) . Find the elongation of the wire when the block is at the bottom of the circle . Young's modulus of the material of the wire =2xx10^(11)Nm^(-2).(g=10ms^(-2))

A block of weight 10 N is fastened to one end of wire of cross-sectional area 4 mm^(2) and is rotated ina vertical circle of radius 30 cm. The speed of the block at the bottom of the circle is 3 ms^(-1) . Find the elongation of the wire when the block is at the bottom of the circle . Young's modulus of the material of the wire =2xx10^(11)Nm^(-2).(g=10ms^(-2))

A body of mass 1 kg is attached to one end of a wire and rotated in a horizontal circle of diameter 40 cm with a constant speed of 2m/s. What is the area of cross-section of the wire if the stress developed in the wire is 5 xx 10^(6) N//m^(2) ?

A metal wire of negligible mass, length 1 m and cross-sectional area 10^(-6) m^(2) is kept on a smooth horizontal table with one end fixed on the table. A ball of mass 2kg is attached to the other end of the wire. When the wire and the ball are rotated with angular velocity of 20 rad/s, it is found that the wire is elongated by 10^(-3)m . If the Young's modulus of the metal is n xx 10^(11) N//m^(2) , then the value of n is