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EleoNora [17]
3 years ago
12

Help find the value X

Mathematics
2 answers:
erastovalidia [21]3 years ago
7 0
Ok done. Thank to me :>

dsp733 years ago
5 0

Answer:

x=61

Step-by-step explanation:

2x-6+x+3=180

3x-3=180

3x=183

x= 61

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Use Hooke's Law to determine the work done by the variable force in the spring problem. A force of 450 newtons stretches a sprin
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Answer:

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Step-by-step explanation:

Given

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Required

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First, we calculate the spring constant (k)

F = kx_1

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k = \frac{450N}{30cm}

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So:

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The work done using Hooke's law is:

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This gives:

W =\int\limits^{60}_{30} {15x} \, dx

Rewrite as:

W =15\int\limits^{60}_{30} {x} \, dx

Integrate

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This gives:

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W =15 *1350

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Convert to Nm

W =\frac{20250Nm}{100}

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7 0
3 years ago
There are 850 Douglas fir and Ponderosa pine trees in a section of forest bought by Karamazov Logging Co. The company paid an av
weeeeeb [17]
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