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scoundrel [369]

2 years ago

15

how long does it take sound to travel the distance between the two microphones? Given.:wave 1 of microphone 1 has T=2 sec and f=

1/2Hz and the speed of propagation of the sound is 330m/s

1 answer:

Maksim231197 [3]2 years ago

8 0

Answer:

0.00583 seconds

Explanation:

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compare the theories that scientists proposed about the source of the sun's energy with the process of nuclear fusion in the sun

ANTONII [103]

The sun's source of energy is know as nuclear fusion (means to fuse) this process has a small nuclei atoms that join together to form a large nucleus. The result of this process is released energy. The fusion of hydrogen into helium in the sun makes a large amount of energy and this is known as the sun's energy source.
The theories that scientist proposed about the source of the sun's energy was that the sun burned fuel to generate its energy and that gravity was causing the sun to shrink slowly and have its energy released. Also both of these theories were disproved.
.

3 0

2 years ago

How does what happens to the particles in a substance during melting differ from what happens during freezing?

sasho [114]

When in the melting process particles start to move more freely when in the freezing process particles tend to slow and vibrate in place

8 0

2 years ago

Look at the equation. What detail is missing? 3 m/s2= (33 m/s - X)/30 S <br>

Tems11 [23]

Answer:

The starting velocity.

Explanation:

We must understand that this equation comes from the following equation of kinematics.

$v_{f}=v_{o}+a*t$

where:

Vf = final velocity = 33 [m/s]

Vo = starting velocity [m/s]

a = acceleration = 3 [m/s²]

t = time = 30 [s]

So, these values can be assembly in the following way:

$v_{f}=v_{o}+a*t\\a*t=v_{f}-v_{o}\\3=\frac{33-v_{o}}{30}$

6 0

2 years ago

What causes convection What causes convection currents, and what do they do? currents, and what do they do?

yaroslaw [1]

Answer:

it helps energy

Explanation:

to get electricity

5 0

2 years ago

Light of wavelength 478 nm in air falls on two slits 6.53 mm apart. The slits are immersed in water, as is a viewing screen 30.8

cluponka [151]

The distance between the two fringes is 0.0225 mm.

<u>Explanation:</u>

As per Young's double slit experiment, the distance between the fringes can be observed for the bright constructive interference fringes. So if we know the distance between the separation of slits. the distance of the mirror placed away from the slit, then the distance between two fringes can be observed using the below formula.

$y=\frac{m\times wavelength\times D}{d}$

Here y is the distance between the fringes on screen, D is the distance of the screen from the slits and d is the distance between the slits. Also m is the order of the interference which is generally considered as 1.

So, in the present case, D = 30.8 cm = 0.308 m, d = 6.53×10⁻³ m, wavelength = 478 nm and m = 1.

So, $y = \frac{1\times 478\times 10^{-9} \times 0.308}{6.53\times 10^{-3} }$

$y =22.546\times 10^{-9+3}=22.546\times 10^{-6} m=0.0225\ mm.$

So, the distance between the two fringes is 0.0225 mm.

6 0

3 years ago