3 years ago

Pitch is determined by the ____ of a sound wave.

Physics

2 answers:

mart [117]3 years ago

8 0

The answer is c .Frequency

rodikova [14]3 years ago

4 0

Pitch depends on the frequency of a sound wave

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The______ of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time

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The intensity of a sound wave is defined as the amount of energy passing through a unit area of the wave front in unit of time.

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3 years ago

Series circuit when you had one bulb and battery voltage was at 9 volts, what was current into battery?

KengaRu [80]

Answer:

incomplete question, resistor must be there

Explanation:

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3 years ago

Jasper made a list of the properties of electromagnetic waves. Identify the mistake in the list. Electromagnetic Wave Properties

Nata [24]

Answer:

Statement 2 is wrong

Explanation:

To check the statements in this exercise, let's describe the main properties of electromagnetic waves. Let's describe the characteristics

* they are transverse waves

* formed by the oscillations of the electric and magnetic fields

* the speed of the wave is the speed of light

with these concepts let's review the final statements

1) True. Formed by the oscillation of the two fields

2) False. They are transverse waves

3) True. Can travel by vacuum as they are supported by oscillations of the electric and magnetic fields

4) True. They all have the same speed of light

Statement 2 is wrong

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3 years ago

A metal wire is in thermal contact with two heat reservoirs at both of its ends. Reservoir 1 is at a temperature of 781 K, and r

andreev551 [17]

Answer:2.517 J/K

Explanation:

Given

Reservoir 1 Temperature $T_1=781 K$

Reservoir 2 Temperature $T_2=335 K$

Let Q is the amount of heat Flows i.e. $Q=1477 J$

thus change in Entropy is given by $\frac{\sum Q}{T}$

$\Delta S=\frac{\sum Q}{T}=-\frac{Q}{T_1}+\frac{Q}{T_2}$

$\Delta S=\frac{\sum Q}{T}=-\frac{1477}{781}+\frac{1477}{335}$

$\Delta S=\frac{\sum Q}{T}=-1.891+4.4089$

$\Delta S=\frac{\sum Q}{T}=2.517 J/K$

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3 years ago

What are carbon-12, carbon-13, and carbon-14?

Jet001 [13]

The answer would be C. (:

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3 years ago

Read 2 more answers