What is the metal bars original length

Reference no: EM13561961

1. By how much would you need to heat a 10 foot bar of zinc to make it expand by one inch? The coefficient of linear expansion of zinc is 30 x 10^-6 per degree C.

2. A metal bar changes in length by 1 meter with a 150 degree C change in temperature. It's coeffieceint of linea expansion is 25 x 10^-6 per degree Celsius.
what is the metal bar's original length?

Reference no: EM13561961

Questions Cloud

Estimate what is the dipole moment of the bar : The magnitude of the dipole moment associated with an atom ofiron in an iron bar is 2.1 10-23J/T. What is the dipole moment of the bar

Explain a compound contains only carbon and hydrogen : A compound contains only carbon, hydrogen, and oxygen. Combustion of 51.34 g of the compound yields 75.26 g of CO2 and 30.81 g of H2O. The molar mass of the compound is 90.078 g/mol.

Find expression of their speeds when they are separated : A proton (mp=1.67x10-27 kg, qp=+e=1.6x10-19 C) and an alpha particle (m=6.64x10-27 kg, q=+2e=2x1.6x10-19 C) are initially at rest and separated by a distance of ri=4.0x10-15 m and they are both released simultaneously.

What is the velocity of the aircraft relative to the ground : The velocity of an airplane is 200km/hr due west. What is the velocity of the aircraft relative to the ground

What is the metal bars original length : A metal bar changes in length by 1 meter with a 150 degree C change in temperature. It's coeffieceint of linea expansion is 25 x 10^-6 per degree Celsius. what is the metal bar's original length?

Evaluate what is the angular frequency of the motion : The length of a simple pendulum is 0.77 m and the mass of theparticle (the "bob") at the end of the cable is 0.31 kg. What is the angular frequencyof the motion

A mass is moving towards a massive crater : A mass is moving towards a massive crater (along the +x direction) on the Moon with an initial velocity of 885.1 cm/s. Assuming that the acceleration of gravity on the Moon is 1.622 m/s2, find how far will the object fall in the first 5.05 seconds?

Helium atom come to gold nucleus before it stops : If a helium nucleus with a mass of 6.68x10^-27kg, a charge of +2e, and an initial velocity of 1.50x10^7 m/s is projected head-on toward a gold nucleus with a charge of +79e, how close will the helium atom come to the gold nucleus before it stops a..

What is the coefficient of thermal expansion of the alloy : An unknown metal alloy is being tested to discover its thermal properties to see if it is suitable for use as a component in an aircraft wing. The alloy is formed into a bar measuring 1 meter in length, and is then heated from its starting temp. o..

User Account

All Pages