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3 years ago

Explain what must be true of component waves for reinforcement or interference to occur.

2 answers:

8 0

The component of waves must have same frequency and phase.

when the component of waves vibrate at the same rate and attain maximum point at the same time, reinforcement of the waves amplitude occur to cause a constructive interference.However, when the two waves are out of phase where one is at minimum when the other is at maximum a destructive interference happens.

const2013 [10]3 years ago

4 0

The answer is the component of waves must have same frequency and phase.

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a chemical reaction a temperature change may occur because of the breaking or formation of chemical bonds that release excess en

Hoochie [10]

Answer:

it cannot be considered a physical change because it occur from the chemical reaction.

Explanation:

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hope it help just my opinion

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4 years ago

Help fill in the blanks please

vampirchik [111]

..because the energy put in to making bonds is greater than the energy given back from breaking bonds.
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3 years ago

What does the area under a speed-time graph represent

Tom [10]

Answer: It represents the whole distance traveled. Hope this helps!

Explanation:

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3 years ago

Two samples of an ideal gas are initially at the same temperature and pressure. They are each compressed reversibly from a volum

Arisa [49]

Answer:In adiabatic case

Explanation:

Let us suppose Initial condition

$P_1,V$

be the initial pressure and volume of gas

and $P_2,\frac{V}{2}$

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$\left ( a\right )$ In Isothermal case

Temprature is costant therefore

PV=constant

$P_1V=P_2\frac{V}{2}$

$P_2=2P_1$

for adiabatic case

$PV^{\gamma }=constant$

$P_1V^{\gamma }=P_2\left (\frac{V}{2}\right )^{\gamma }$

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therefore In adiabatic case pressure will be high.

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4 years ago

Differences between relative density and density

Reika [66]

Answer:

Density is the ratio between the mass and the volume of a body. Relative density, on the other hand, is the ratio between the density of an object (substance) and the density of some other reference object (substance) at some given temperature.

Explanation:

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3 years ago

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