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ivolga24 [154]
3 years ago
8

Please please answer this! explain the kinetic molecular theory ( i don't understand how they explain it in my lesson so if some

one could simpfly it for me) worth 30 points
Physics
1 answer:
Bess [88]3 years ago
4 0

Answer:

Explanation:

Basically, Kinetic Molecular Theory says that gas particles are in constant motion and that they show perfectly elastic collisions.

An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision.

So the kinetic molecular theory says that gas particles stay moving constantly and don't lose energy when they run into each other.

Hope this helps!

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Answer:

assuming the air resistance = 0

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3 years ago
What units is time measured in
Artist 52 [7]

Answer:

The base unit for time is the second (the other SI units are: metre for length, kilogram for mass, ampere for electric current, kelvin for temperature, candela for luminous intensity, and mole for the amount of substance). The second can be abbreviated as s or sec.

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3 years ago
A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 52 cm wire that hangs from a conducting pivot s
vivado [14]

Answer:

8.1345°

Explanation:

We apply \sum F_x=0 to the wire to obtain:

\sum F_x=-F_m+mg\ sin \theta=0

#The magnitude of the magnetic force acting on the wire is given by:

F_m=IlB\ sin \phi, \phi=90\textdegree\\\\F_m=IlB

#Substitute for F_m to obtain:

-IlB+mg\ sin \ \theta=0\ \ \ \  \ \ \ \ ...i

Solve for \theta:

\theta=sin^{-1}[\frac{IlB}{mg}]

We the substitute the numerical values to calculate the equilibrium angular displacement:

\theta= sin^{-1}[\frac{0.2A\times0.52m\times 0.040T}{0.003\ kg\times9.8m/s^2}]\\\\=8.1345\textdegree

Hence, the equilibrium angular displacement of the wire from vertical if the horizontal magnetic field is 8.1345°

3 0
3 years ago
Explain the melting of a solid in terms of molecules and energy​
Pie
When you melt a solid the heat creates energy, when you heat up molecules they will move quicker and start to somewhat break apart into a liquid structure.
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Solve the equation 30=10x for x.
Hatshy [7]

Answer:

x = 3

Explanation:

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8 0
3 years ago
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