As a result of temp rise of `32^(@)C`, a bar with a crack at its centre buckless upward. If the fixed distance `l_(0)` is `4m`, and coefficeient of linear expansion of bar in `25 xx 10^(-5)'^(@)C^(-1)`. Find the rise `x` (in cm) of the centre.

As a result of temperature rise of 32^(@)C a bar with a crack at its centre buckles upwards. If the fixed distance be L_(0)=4.0m and the temperature coefficient of linear expansion be alpha=25xx10^(-6)//C^(@) , find the distance x by which the centre rises.

As a result of a temperature rise of 64^@C , a bar with a crack at centre buckles upward (Fig . 18-20 ). The fixed distance L_0 is 3.77 m and the coefficient of linear expansion of the bar is Find the rise 25 xx 10^(-6)//""^@C of the centre .

A copper bar is 80 cm long at 15^(@)C . What is the increase in length, when heated to 35^(@)C ? The coefficient of linear expansion for copper is 1.7 xx 10^(-5).^(@)C^(-1)

An iron bar 10 cm in length is kept at 20^@C . If the coefficient of linear expansion of iron is alpha = 11 xx 10^(-6).^(@)C^(-1) , then at 19^(@)C it will be

An iron bar 10 cm in length is kept at 20^@C . If the coefficient of linear expansion of iron is alpha = 11 xx 10^(-6).^(@)C^(-1) , then at 19^(@)C it will be

A uniform metal bar of length 10 m with a crack at its midpoint is clamped between two rigid supports. The bar buckles upward due to temperature rise of 40^(@)C . If the coefficient of linear expansion of the metal is 2.5 xx 10^(-6) .^(@)C^(-1) , the maximum displacement of the mid-point of the bar is