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
Westkost [7]
2 years ago
9

How are metal bridges built to cope with changes of temperature?

Physics
1 answer:
nirvana33 [79]2 years ago
8 0
As the metal expands as does the road bed so neither really effevts those foing over the bridge. as it is hot the metal will expand and so will most tarmac on roads.
You might be interested in
Is renewable energy just as efficient as fossil fuels?
solmaris [256]

Answer:

For me

Explanation:

First of all it's more than efficient than fossil fuels

8 0
3 years ago
A car has positive acceleration. What information can you infer from this?
mario62 [17]

Answer: B: The car is speeding up in the same direction as it is traveling.

Explanation:

I took the test and got it right

6 0
3 years ago
Which statements describe vectors?
laila [671]

Answer:

Vectors have a size and direction. Each of the existing vector quantity has a magnitude and a direction. Having direction along with the magnitude is the difference of a vector quantity from a scalar quantity. Vectors are indicates with arrows.

4 0
2 years ago
Read 2 more answers
if you stretch back a rubber band and release it, it shoots across the room. What type of energy conversion has occurr?
matrenka [14]
I believe the answer is potential energy if i remember correctly. 
8 0
2 years ago
Read 2 more answers
Discuss the force that exists between the Earth and the moon by referring to the mass of each.
Fudgin [204]
The word gravity is used to describe the gravitational pull (force) an object experiences on or near the surface of a planet or moon. The gravitational force is a force that attracts objects with mass towards each other. Any object with mass exerts a gravitational force on any other object with mass.

Hope it answers your question!

Brainliest would be nice but of course you don’t gotta :)
7 0
2 years ago
Other questions:
  • Match each term to the best description. ::
    9·1 answer
  • _________ is affected by your brakes, tires, the road surface, and speed.
    15·1 answer
  • Which of the following represents the wavelength of a wave?<br> A <br> B <br> C <br> D
    10·1 answer
  • A slinky is stretched across a classroom and moved up and down at a frequency of 2 hz. if the corresponding wave velocity is 4.2
    10·1 answer
  • Which of the following is an example of acceleration? Select one:
    8·1 answer
  • A test car is driving toward a solid crash-test barrier with a speed of 46 mi/h. Two seconds prior to impact, the car begins to
    9·1 answer
  • Which statement best describes how waves carry energy?
    11·2 answers
  • ALGEBRA Find x and the measures of the unknown sides of each triangle.
    14·1 answer
  • SKILL LEVEL:
    5·1 answer
  • What direction would the north pole of a bar magnet point if you were to hang the bar magnet from a thin string?.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!