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NNADVOKAT [17]
3 years ago
9

Please help me thank youuu !!!

Physics
2 answers:
Dmitry [639]3 years ago
8 0

Answer:

right

Explanation:

high temperature to low temperature

Sergeu [11.5K]3 years ago
8 0
Heat flows from a hotter body to a colder body
Therefore towards right
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Answer:

Part a)

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Explanation:

Part a)

Tension in the rope at a distance x from the lower end is given as

T = \frac{m}{L}xg + Mg

so the speed of the wave at that position is given as

v = \sqrt{\frac{T}{\mu}}

here we know that

\mu = \frac{m}{L}

now we have

v = \sqrt{\frac{ \frac{m}{L}xg + Mg}{m/L}

v = \sqrt{xg + \frac{MLg}{m}}

Part b)

time taken by the wave to reach the top is given as

t = \int \frac{dx}{\sqrt{xg + \frac{MLg}{m}}}

t = \frac{1}{g}(2\sqrt{xg + \frac{MLg}{m}})

t = \frac{2}{9.8}(\sqrt{(39.2\times 9.8) + \frac{8(39.2)(9.8)}{1}})

t = 12 s

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