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nikitadnepr [17]
3 years ago
8

A 1.65-m-long wire having a mass of 0.100 kg is fixed at both ends. The tension in the wire is maintained at 16.0 N. (a) What ar

e the frequencies of the first three allowed modes of vibration
Physics
1 answer:
Damm [24]3 years ago
8 0

Answer:

Explanation:

mass per unit length ρ = .100 / 1.65 = .0606 . kg /m

length of wire L = 1.65 m

For fundamental frequency , the expression is as follows

n = \frac{1}{2L} \sqrt{\frac{T}{m} }

L = 1.65 , T = 16 n and m = .0606

n = \frac{1}{2\times 1.65} \sqrt{\frac{16}{.0606} }

= 4.9 /s .

This is fundamental frequency .

other mode of vibration ( first three ) will be as follows

4.9 x 2 = 9.8 /s ,

4.9 x 3 = 14.7 /s .

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A 1. 0 μf capacitor is being charged by a 9. 0 v battery through a 10 mω resistor.
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The potential across the capacitor at t = 1.0 seconds, 5.0 seconds, 20.0 seconds respectively is mathematically given as

  • t=0.476v
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<h3>What is the potential across the capacitor?</h3>

Question Parameters:

A 1. 0 μf capacitor is being charged by a 9. 0 v battery through a 10 mω resistor.

at

  • t = 1.0 seconds
  • 5.0 seconds
  • 20.0 seconds.

Generally, the equation for the Voltage is mathematically given as

v(t)=Vmax=(i-e^{-t/t})

Therefore

For t=1

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For t=20s

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Therefore, the values of voltages at the various times are

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Read more about  Voltage

brainly.com/question/14883923

Complete Question

A 1.0 μF capacitor is being charged by a 5.0 V battery through a 10 MΩ resistor.

Determine the potential across the capacitor when t = 1.0 seconds, 5.0 seconds, 20.0 seconds.

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<h3>Masa molar</h3>

La masa molar de un compuesto depende de su masa presente en 1 mol, entonces:

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Para calcular la masa molar de un compuesto, simplemente suma las masas de cada elemento en el compuesto, así:

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