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aleksandr82 [10.1K]
3 years ago
9

What will happen when these two waves interact?

Physics
1 answer:
oee [108]3 years ago
4 0
B would be your answer
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In a pith ball experiment, the two pith balls are at rest. The magnitude of the tension in each string is |T|=0.55N, and the ang
Len [333]

Answer:

Explanation: Two pith ball will repel each other . they will remain balaced due to tension in the spring whose one component balances the weight and the other balances the repulsive force on each.

The gravitational force will be balanced by T cos 27.33 and the electrostatic repulsive force will be balanced by T sin27.33

So

Fg =T cos 27.33

= .55 X .888

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Fq = T sin27.33

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You make tea with 0.50 kg of 85.0°C water and let it cool to room temperature 120.0°C2.
dedylja [7]

Answer:

Explanation:

a ) Entropy change dS = dQ/T

= mcdT /T

Integrating both sides

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.5 X 4200 ln 358/ 293

= - 417.6 J/K

Entropy change will be negative as heat is lost by the system .

b ) Sine there is no change in the temperature of air , This heat will enter air at temperature ( 20+ 273) K = 293 K

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= 136500 J

Change in entropy

136500 / 293 ( room temperature is constant at 293k

= + 465.87 J/K

Entropy change will be positive  as heat is gained  by the system .

Total change in the entropy of the system (tea + air )

= +465.87 - 417.6

= 48.27 J/K

Entropy change will be negative as heat is lost by the system .

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What is government?
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Relate the temperature of a gas to the kinetic energy of its particles.
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See the attachment above !!! Mark as brainliest ..!!

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