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Sliva [168]
4 years ago
14

Sonar is a device that uses reflected sound waves to measure underwater depths. If a sonar signal has a wavelength of 59 m and t

he velocity of sound in water is 15,000 m/s, what is the frequency of the signal?
A. 0.0039 Hz

B. 254 Hz

C. 885,000 Hz

Physics
1 answer:
GenaCL600 [577]4 years ago
6 0

the frequency of the signal is

b)254hz

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3 years ago
The rectangular plates in a parallel-plate capacitor are 0.063 m × 5.4 m. A distance of 3.5 × 10–5 m separates the plates. The p
djverab [1.8K]

Answer:

capacitance of the capacitor = 0.18 μ  F

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Area of the plate A = 0.063 m x 5.4 m = 0.3402 m²

distance between the plate d = 3.5 × 10–5 m

dielectric value for Teflon K = 2.1

capacitance of capacitor = ?

Formula for capacitance of parallel plate is as follows ,

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4 0
3 years ago
As the resistance of a circuit increases, the current will
Natalija [7]

As the resistance of a circuit increases, the current will decreases.

<h3>What is ohm’s law?</h3>

Ohm's law claims that the voltage across a conductor is directly proportional to the current flowing through it.

When all physical parameters and temperature are constant,

Ohm's law claims that the voltage across a conductor is directly proportional to the current flowing through it.

This current-voltage connection may be expressed mathematically by Ohm's law as;

V=IR

If the voltage is constant, the resistance of the circuit will be inversely proportional to the current.

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To learn more of the ohm's law, refer to the link;

brainly.com/question/796939

#SPJ4

5 0
3 years ago
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