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postnew [5]
2 years ago
10

how does the kinetic energy of particles relate to the temperature of the substance containing those particles, also show the eq

uation that relates kinetic energy and temperature.
Physics
1 answer:
aalyn [17]2 years ago
5 0

Answer:

The speed of molecules in an "ideal" gas is related to the temperature

Advanced work indicates that

1/2 m v^2 = 3/2 k T    where v^2 here is the mean square speed

This is true for H2, He, O2, Hg   etc. and m is the molecular mass and k the Boltzmann constant

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2ω is the resistance of the second wire if the resistance of the first is 4ω if two wires have the same length, but the second has twice the diameter of the first.

R= 4ω.

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1 year ago
Help me please .Thank you for all
Nostrana [21]

Answer:

I can't understand the language....

7 0
2 years ago
How much ice (at 0°C) must be added to 1.90 kg of water at 79 °C so as to end up with all liquid at 8 °C? (ci = 2000 J/(kg.°
muminat

m = mass of the ice added = ?

M = mass of water = 1.90 kg

c_{w} = specific heat of the water = 4186 J/(kg ⁰C)

c_{i}  = specific heat of the ice = 2000 J/(kg ⁰C)

L_{f} = latent heat of fusion of ice to water = 3.35 x 10⁵ J/kg

T_{ii}  = initial temperature of ice = 0 ⁰C

T_{wi} = initial temperature of water = 79 ⁰C

T = final equilibrium temperature = 8 ⁰C

using conservation of heat

Heat gained by ice = Heat lost by water

m c_{w}  (T - T_{ii} ) + m L_{f}  = M c_{w}  (T_{wi} - T)

inserting the values

m (4186) (8 - 0) + m (3.35 x 10⁵ ) = (1.90) (4186) (79 - 8)

m = 1.53 kg

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3 years ago
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A prism will separate white light into a rainbow of light
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Explanation:

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