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artcher [175]
3 years ago
8

Identify the imaginary part of the number. 5 A)5i B)5 C)0 D)1 E)I

Mathematics
1 answer:
laila [671]3 years ago
7 0
I believe it would be A or E
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Step-by-step explanation:

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Answer:

The work done is 202.50Nm

Step-by-step explanation:

Given

F =450N

x_1 = 30cm

x_2 = 60cm

Required

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First, we calculate the spring constant (k)

F = kx_1

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So:

F = kx_1

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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

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

Integrate

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Convert to Nm

W =\frac{20250Nm}{100}

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