![subject](/tpl/images/cats/fizika.png)
3.A bridge usually has expansion joints. They allow the bridge to become slightly longer when it
experiences thermal expansion. Look at the diagram below of the bridge joint. When the weather
becomes cool, the "teeth" of the joint move away from each other. When the weather becomes
warm, they move toward each other. Which statement is true about the particles that make up the
bridge?
A. When the sides of the joint are close together, the particles have more kinetic energy
than they do when the sides are farther apart.
B. When the sides of the joint are far apart, the particles have more kinetic energy than
they do when the sides are closer together.
C. The particles contain the same amount of kinetic energy no matter how much the
bridge has expanded.
D. The kinetic energy of the particles changes, but the amount it changes does not
depend on the temperature of the bridge.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 22:40
In physics the desire of an object to keep doing what it is doing is termed?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 01:00
Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 07:30
Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:10
Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.
Answers: 3
You know the right answer?
3.A bridge usually has expansion joints. They allow the bridge to become slightly longer when it
ex...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.07.2019 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 13.07.2019 17:00
![question](/tpl/images/cats/health.png)
Health, 13.07.2019 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 17:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.07.2019 17:00
![question](/tpl/images/cats/health.png)
Health, 13.07.2019 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 13.07.2019 17:00