1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Deffense [45]
3 years ago
6

An insulated lunch bag keeps food warm by

Physics
2 answers:
TiliK225 [7]3 years ago
4 0

slowing the transfer of thermal energy from the food inside the bag to the air outside the bag

Norma-Jean [14]3 years ago
3 0
The answers to the question above are "D) slowing the transfer of thermal energy from the food inside the bag to the air outside the bag" which is how an insulated food bag keeps the food warm. The "insulate" word means "to protect something from losing heat". Thus, the function of the insulated food bag is related<span> to its name.</span>
You might be interested in
What is the modern periodic table of elements?
Kamila [148]
C is the correct answer
3 0
2 years ago
Read 2 more answers
Name two kinds of longitudinal waves and explain how you know they are longitudinal
jasenka [17]
First of all Longitudinal waves is a matter in the medium that moves parallel to the direction of the wave travels. 
1st example: sound travels parallel.
2nd example: when you talk you will here your voice again. because all the frequency bounce back to you.

In the other hand Transverse wave matter in the medium moves perpendicular to direction the wave travels.
For example: light is a good example of transverse wave.
6 0
3 years ago
Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C
balu736 [363]

A. the theory of special relativity

6 0
3 years ago
Read 2 more answers
A marble column of cross-sectional area 1.6 m^2 supports a mass of 26600 kg. The elastic modulus for marble is 5.0 times 10^10 N
vodka [1.7K]

Answer:

Δ L = 2.57 x 10⁻⁵ m

Explanation:

given,

cross sectional area = 1.6 m²

Mass of column = 26600 Kg

Elastic modulus, E = 5 x 10¹⁰ N/m²

height = 7.9 m

Weight of the column = 26600 x 9.8

                                    = 260680 N

we know,

Young's modulus=\dfrac{stress}{strain}

stress = \dfrac{P}{A}

           = \dfrac{260680}{1.6}

           = 162925

strain = \dfrac{\Delta L}{L}

now,

Y = \dfrac{stress}{strain}

\Delta L = \dfrac{162925}{Y}\times L

\Delta L = \dfrac{162925}{5 \times 10^10}\times 7.9

   Δ L = 2.57 x 10⁻⁵ m

The column is shortened by Δ L = 2.57 x 10⁻⁵ m

3 0
2 years ago
What is the refraction index of a medium?
Sati [7]
<span>the ratio of the velocity of light in the medium over the velocity of light in a vacuum</span>
6 0
3 years ago
Other questions:
  • Collisions between particles of a gas and the walls of a container cause the ______ in a closed container of gas.
    10·2 answers
  • What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spectrum fo
    10·1 answer
  • When a body of mass 0.25 kg is attached to a vertical massless spring, it is extended 5.0 cm from its unstretched length of 4.0
    11·1 answer
  • Really need help with this Physics question!
    5·1 answer
  • While on vacation in the tropical Bahamas, Suzy decides to try out a water jet pack. She places the jet pack on her back (like y
    5·1 answer
  • Explain why decomposition use solar energy?
    5·1 answer
  • A person runs with a constant velocity of 1.2 m/s for 30 seconds. how far do they travel?
    9·1 answer
  • Which of the following is not an example of a physical change?
    12·1 answer
  • SCIENCE whoever gets this first will get a brainlest
    9·2 answers
  • A racing car accelerates at the end of the race from a speed of 100
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!