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
solniwko [45]
3 years ago
13

The humber bridge in england has the world's longest single span, 1410 m . calculate the change in length of the steel deck of t

he span when the temperature increases from -3.0 ∘c to 18.5 ∘c.
Physics
1 answer:
Pepsi [2]3 years ago
3 0
Applicable linear expansion equation:
ΔL = αΔTL
In which
ΔL = change in length, α = Linear expansion coefficient of steel, ΔT = change in temperature, L = original length

Therefore,
ΔL = 12*10^-6*(18.5-(-3))*1410 = 0.36378 m
You might be interested in
someone made a copy of an analog wave in a digital wave compare the copies with the original waves and explain which type of wav
lilavasa [31]

Answer: Analog transfer information quicker, example electromagnetic waves which are used in our modern day phones.

Explanation:  Digital signals are a more reliable form of transmitting information because an error in the amplitude or frequency value would have to be very large in order to cause a jump to a different value. Signals are composed of infinite possible values. Signals are composed of only two possible values: 0 or 1.

6 0
3 years ago
Read 2 more answers
The process of changing the energy of a system by means of force. Force * Diatance
Dmitry_Shevchenko [17]
This is known as work
7 0
3 years ago
2. How long must a 400 W electrical engine work in order to produce 300 kJ of work?
yanalaym [24]

Answer:

Explanation:

400 W = 400 J/s

300000 J / 400 J/s = 750 s or 12.5 minutes

7 0
3 years ago
Which of the following are the advantages of a DBMS (database management system)?
soldier1979 [14.2K]

Answer:

A

Explanation:

6 0
3 years ago
What additional information is needed for velocity that uis not needed for speed?
Alik [6]

Velocity is about direction traveled in comparison to speed which is just distance with out direction
7 0
3 years ago
Other questions:
  • You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.8m above the ground, it
    6·1 answer
  • What is role of skin in balancing body temperature during strenous excervise
    10·1 answer
  • Under which one of the following circumstances will heat transfer occur via convection? Group of answer choices Convection occur
    11·2 answers
  • A student pushed a 100 N bicycle over a distance of 15 m in 5 s. calculate the power generated.
    8·1 answer
  • A plane is heading south with a velocity of 150 kilometers/hour. It experiences a tailwind with a velocity of 20 kilometers/hour
    13·2 answers
  • At an amusement park, a roller coaster carrying nine homosexuals, moving at 18 m/s, jumps its track at a point that is 20 meters
    13·1 answer
  • Which of the following frictionless ramps (A, B, or C) will give the ball the greatest speed at the bottom of the ramp? Explain.
    5·1 answer
  • Hello, how to do qn 5?:)l
    11·1 answer
  • A gas occupies 0.60 m3 at a 5.0 atm. If the temperature of the gas remains the same and the pressure decreases to 2.5 atm, what
    12·1 answer
  • The table below shows the measurements you took in an experiment. Trial Length ( miles) 1.9 4.2 N 3 5.9 4 What is the longest me
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!