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3 years ago

Compare and contrast a transverse wave and a compressional wave Give an example for each type

Physics

1 answer:

kari74 [83]3 years ago

6 0

Answer:

Transverse waves oscillate perpendicular to the direction of the wave (e.g. any electromagnetic wave like radiowaves, x-rays...) whilst compressional waves oscillate in the same direction of the wave (e.g. sound waves)

Explanation:

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What is the magnitude of the magnetic field created 4.0m away from a 10.0 A current?

kvasek [131]

Answer:

The magnitude of the magnetic field created is 5 x 10⁻⁷ T

Explanation:

Given;

magnitude of current, I = 10.0 A

distance of the magnetic field, r = 4.0m

Apply Biot-Savart Law to determine the magnitude of of the magnetic field created;

$B = \frac{\mu_oI}{2 \pi r}$

where;

B is the magnitude of of the magnetic field

μ₀ is constant

I is current

r is the distance of the field

$B = \frac{4 \pi*10^{-7} *10}{2 \pi*4} = 5*10^{-7} \ T$

Therefore, the magnitude of the magnetic field created is 5 x 10⁻⁷ T

4 0

3 years ago

g A rotating wheel requires 5.00 s to rotate 28.0 revolutions. Its angular velocity at the end of the 5.00-s interval is 96.0 ra

Setler [38]

Answer:

The angular acceleration of the wheel is 15.21 rad/s².

Explanation:

Given that,

Time = 5 sec

Final angular velocity = 96.0 rad/s

Angular displacement = 28.0 rev = 175.84 rad

Let $\alpha$ be the angular acceleration

We need to calculate the angular acceleration

Using equation of motion

$\theta=\omega_{i} t+\dfrac{1}{2}\alpha t^2$

Put the value in the equation

$175.84=\omega_{i}\times 5+\dfrac{1}{2}\times\alpha\times(5)^2$

$175.84=\omega_{i}\times 5+12.5\alpha$ ......(I)

Again using equation of motion

$\omega_{f}=\omega_{i}+\alpha t$

Put the value in the equation

$96.0=\omega_{i}+\alpha \times 5$

On multiply by 5 in both sides

$480=\omega_{i}\times 5+\alpha\times 25$ ....(II)

On subtract equation (I) from equation (II)

$480-175.84=\alpha(25-5)$

$304.16=\alpha\times20$

$\alpha=\dfrac{304.16}{20}$

$\alpha=15.21\ rad/s^2$

Hence, The angular acceleration of the wheel is 15.21 rad/s².

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3 years ago

Assuming things about someone based on your experiences with similar people you have encountered is called

AysviL [449]

Answer:

presumptuous

Explanation:

it's what you call someone who assumes something

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3 years ago

Please help will mark brainleist <br> ASAP

kiruha [24]

Answer:

B - Earth's path around the Sun

Explanation:

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3 years ago

Read 2 more answers

A sinusoidal wave has period 0.20 s and wavelength 2.0 m. What is the wave speed?

il63 [147K]

Answer:10m/s

Explanation:

Wave speed ,v=for

Where π= wavelength=2m

Period =1/f f=frequency of wave

F=1/period

=1/0.2=5Hz

So speed of waves,v=5×2=10m/s

5 0

4 years ago