2 years ago

Which statements accurately describe the motion map?

Physics

2 answers:

ahrayia [7]2 years ago

3 0

Answer: B & D

Explanation:

Naddika [18.5K]2 years ago

3 0

B AND D YOUR WELCOME CUZ

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Two sound waves have equal displacement amplitudes, but wave 1 has two-thirds the frequency of wave 2. What is the ratio of the

zlopas [31]

Answer:

$\dfrac{I_1}{I_2}=\dfrac{4}{9}$

Explanation:

c = Speed of wave

$\rho$ = Density of medium

A = Area

$\nu$ = Frequency

$\nu_1=\dfrac{2}{3}\nu_2$

Intensity of sound is given by

$I=\dfrac{1}{2}\rho c(A\omega)^2\\\Rightarrow I=\dfrac{1}{2}\rho c(A2\pi \nu)^2$

So,

$I\propto \nu^2$

We get

$\dfrac{I_1}{I_2}=\dfrac{\nu_1^2}{\nu_2^2}\\\Rightarrow \dfrac{I_1}{I_2}=\dfrac{\dfrac{2}{3}^2\nu_2^2}{\nu_2^2}\\\Rightarrow \dfrac{I_1}{I_2}=\dfrac{4}{9}$

The ratio is $\dfrac{I_1}{I_2}=\dfrac{4}{9}$

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2 years ago

The air pressure inside a car tire is

Valentin [98]

Answer:

0.137m²

Explanation:

Pressure = Force/Area

Given

Force = 41,500N

Pressure = 3.00atm

since 1atm = 101325.00 N/m²

3atm = 3(101325.00)

3atm = 303,975N/m²

Pressure = 303,975N/m²

Get the area

Area = Force/Pressure

Area = 41500/303,975

Area = 0.137m²'

Hence the surface area of the inside of the tire is 0.137m²

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2 years ago

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kiruha [24]

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3 years ago

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What is it called when air particles spread apart?

Andrej [43]

When air particles bunch up, it's called a compression-rarefaction.
When the particles spread apart its called a rarefaction.

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2 years ago

Answer please urgent

motikmotik

Answer:

equal and unlike charges

Explanation:

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3 years ago

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