10 40C1). At room temperature (20.0°C), the frames have circular lensA pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion= 1.30holes 2.23 cm in radius. To what temperature must the frames be heated if lenses 2.24 cm in radius are to be inserted into them?°C

Question
Asked Nov 6, 2019
1 views
10 40C1). At room temperature (20.0°C), the frames have circular lens
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion
= 1.30
holes 2.23 cm in radius. To what temperature must the frames be heated if lenses 2.24 cm in radius are to be inserted into them?
°C
help_outline

Image Transcriptionclose

10 40C1). At room temperature (20.0°C), the frames have circular lens A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 holes 2.23 cm in radius. To what temperature must the frames be heated if lenses 2.24 cm in radius are to be inserted into them? °C

fullscreen
check_circle

Expert Answer

Step 1

Given

Diameter of lens = 4.46cm

Diameter of frame = 4.48cm

Step 2

The expression for linear expansion,

help_outline

Image Transcriptionclose

AL LaAT

fullscreen
Step 3

Change in le...

help_outline

Image Transcriptionclose

AL (4.48-4.46)cm 0.02

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Mechanical Properties of Matter

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: In the winter activity of tubing, riders slide down snow covered slopes while sitting on large infla...

A: The change in gravitational potential energy is,Substitute the values,

question_answer

Q: (multiple choice) Charge Q is distributed uniformly throughout a spherical insulating shell. The net...

A: The net flux on the outer surface of the shell is Q/ε0.

question_answer

Q: A horizontal force of 88.2 N is applied to a 30.5 kg crate on a rough, level surface. If the crate a...

A:  Here, the net force, Fnet = 88.2NMass of the crate, m = 30.5kgAcceleration of the crate, a = 1.08 m...

question_answer

Q: A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the...

A: Click to see the answer

question_answer

Q: Nerve impulses in a human body travel at a speed of about 100 m/s. Suppose a person accidentally ste...

A: The distance travelled by the nerve impulse is d=1.6m

question_answer

Q: Please show me how to draw the torque diagram as well.

A: Click to see the answer

question_answer

Q: The force exerted by the wind on the sails of a sailboat is 410 N north. The water exerts a force of...

A: The mass of the boat is 300kg, and force acting on boat exerted by wind is 410N (north), and force e...

question_answer

Q: You pull downward with a force of 30 N on a rope that passes over a disk-shaped pulley of mass 1.5 k...

A: Tension due to Downward pull:

question_answer

Q: A gun has a muzzle speed of 80 meters per second. What angle of elevation should be used to hit an o...

A: Given,Initial speed, u = 80m/sRange of the gun, R = 160 m