A pendulum clock consists of an iron rod connected to a small, heavy bob. If it is designed to keep correct time at `20^(0) C`, how fast or slow will it go in 24 hours at `40^(0) C?` Coefficient of linear expansion of iron `= 1.2 xx 10^(-5)C^(-1)`.

A pendulum clock gives correct time at 20^@C at a place where g=9.800 m s^(-2) .The pendulum consists of a light steel rod connected to a heavy ball. It is taken to a different place where g=9.788 m s^(-2) . At what temperature will it give correct time ? coefficient of linear expansion of steel = 12 xx 10^(-6)C^(-1) .

A steel rod is clamped at its two ends and rests on a fixed horizontal base. The rod is unstrained at 20^@C . Find the longitudinal strain developed in the rod if the temperature rises to 50^@C . Coefficient of linear expansion of steel =1.2 xx 10^(-5)C^(-1) .

A circular disc made of iron is rotated about its axis at a constant velocity Omega. Calculate the percentage change in the linear speed of a particle of the rim as the disc is slowly heated from 20^@C to 50^@C keeping the angular velocity constant. Coefficient of linear expansion of iron =1.2 xx 10^(-5)C^(-1) .

A meter scale made of steel is calibrated at 20^@C to give correct reading. Find the distance between 50 cm mark and 51 cm mark if the scale is used at 10^@C . Coefficient of linear expansion of steel is 1.1 xx 10^(-5)C^(-1)

An iron rod and a copper rod lie side by side. An the temperature is changed, the difference in the length of the rods remains constant at a value of 10 cm. Find the lengths at 0^o C . Coefficients of linear expansion of iron and copper are 1.1 xx 10^(-5) C^(-1) and 1.7 xx 10^(-5) C^(-1) respectively.

A uniform steel wire of cross-sectional area 0.20 mm^2 is held fixed by clamping its two ends. Find the extra force exerted be each clamp on the wire if the wire is cooled from 100^0C to 0^o C . Young's modulus of steel = 2.0 xx 10^11 N m^(-2) . Coefficient of linear expansion of =1.2 xx 10^(-5) C^(-1) .

A steel wire of cross-sectional area 0.5mm^2 is held between two fixed supports. If the wire is just taut at 20^@C , determine the tension when the temperature falls to 0^@C . Coefficient of linear expansion of steel is 1.2 xx 10^(-5)C^(-1) and its Young's modulus is 2.0 xx 10^11 N m^(-2).

A steel rod is rigidly clamped at its two ends. The rod is under zero tension at 20^@C . If the temperature rises to 100^@ C , what force will the rod exert on one of the clapms? Area of cross section of the rod = 2.00 mm^2 . Coefficient of linear expansion of steel = 12.0 xx 10^(-6)C^(-1) and Young's modulus of steel 2.00 xx 10^(11) N m^(-2) .

A railway track (made of iron) is laid in winter when the average temperature is 18^(@)C . The track consists of sections of 12 m placed one after the other. How much gap should be left between two such sections so that there in no compression during summer when the maximum temperature goes to 48^(@)C ? Coefficient of linear expansion of iron = 11 xx 10^(-5)C^(-1) .

The pendulum of certain clock has time period 2.04 s. How fast or slow does the clock run during 24 hours?