2 years ago

Select the correct arrow. Which arrow correctly shows the flow of heat? Reset Next

Physics

2 answers:

Arturiano [62]2 years ago

8 0

Answer:

the first one

Explanation:

julsineya [31]2 years ago

6 0

Answer:

where is the image?

Explanation:

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Alex17521 [72]

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43.2 N

Explanation:

$\lambda$ = Wavelength = 0.75 m

f = Frequency = 40 Hz

m = Mass of string = 0.12 kg

L = Length of string = 2.5 m

$\mu$ = Linear density = $\dfrac{m}{L}$

Velocity of wave is given by

$v=\lambda f\\\Rightarrow v=0.75\times 40\\\Rightarrow v=30\ m/s$

The tension in string is given by

$T=v^2\mu\\\Rightarrow T=30^2\times \dfrac{0.12}{2.5}\\\Rightarrow T=43.2\ N$

The tension in the string is 43.2 N

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