Physics, 10.03.2020 09:02 mrashrafkotkaat

A bimetallic strip, consisting of metal G on the top and
metal H on the bottom, is rigidly attached to a wall at the left. The coefficient of linear
thermal expansion for metal G is less than that of metal H. If the strip is uniformly
heated, it will

Answers: 1

Show answers

Answers

Answer from: Soloaa

The length of metal H will increase more than the length of metal G.

The given problem is based on the concept of thermal expansion. When a certain metal is heated, its length increases according to the thermal expansion equation,

$\dfrac{\Delta L}{L}= \alpha \times \Delta T$

Here, $\Delta L$ and $\Delta T$ are the change in length and change in temperature respectively and L is the original length. And $\alpha$ is the thermal expansion coefficient.

Therefore, we see that the larger the coefficient of linear expansion, the more the metal length increases.

Here we have two metals, G on the top of the strip and H on the bottom, and the coefficient of thermal expansion for metal G is less than that of metal H. So this means that as the strip is heated, the length of metal H (on the bottom) will increase more than the length of metal G (on top): and therefore, the strip will bend towards the top (with metal G in the inside of the curve, while metal H on the outside).

Thus, we can conclude that the length of metal H will increase more than the length of metal G.

Learn more about the thermal expansion here:

link

Answer from: mjam85877

The strip will bend towards the top

Explanation:

When a certain metal is heated, its length increases according to the equation

$\frac{\Delta L}{L}=\alpha \Delta T$

where

$\Delta L$ is the increase in length

L is the initial length

$\alpha$ is the coefficient of linear expansion

$\Delta T$ is the change in temperature

Therefore, we see that the larger the coefficient of linear expansion, the more the metal length increases.

Here we have two metals, G on the top of the strip and H on the bottom, and the coefficient of thermal expansion for metal G is less than that of metal H, so

$\alpha_G$

This means that as the strip is heated, the length of metal H (on the bottom) will increase more than the length of metal G (on top): and therefore, the strip will bend towards the top (with metal G in the inside of the curve, while metal H on the outside).

Answer from: Quest

answer: electrons

Answer from: Quest

hypothesising or postulating

Another question on Physics

Physics, 22.06.2019 08:30

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.

Answers: 3

Answer

Physics, 22.06.2019 09:40

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

Answers: 3

Answer

Physics, 22.06.2019 16:20

The energy equivalent of the rest mass of an electron is

Answers: 1

Answer

Physics, 22.06.2019 22:00

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.

Answers: 2

Answer

You know the right answer?

A bimetallic strip, consisting of metal G on the top and
metal H on the bottom, is rigidly att...

Questions