3 years ago

What is temperature? Question 10 options:

Physics

2 answers:

vfiekz [6]3 years ago

7 0

A. An indirect measure of heat energy

ozzi3 years ago

5 0

Answer:

C. A direct measure of internal kinetic energy

Explanation: Temperature is defined by kinetic theory as the measure of the average kinetic energy of the particles that make up a substance.

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The charge within a small volume dv is dq=ρdv. the integral of ρdv over a cylinder of length l is the total charge q=λl within t

azamat

The volume of the shell that you described would be:
$dV=2L\pi r dr$
Now we can rewrite the given integral:
$\lambda L=\int\rho dV=L\rho\int2\pi r dr \\ \lambda L =L\rho \pi r^2\\ \rho=\frac{\lambda}{\pi r^2}$
I have attached the picture explaining how we got the formula for the volume.
On the picture, I marked the rectangle. You can of this rectangle as the base, and the height would be the circumference of the cylinder.