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3 years ago

Where is nitrogen found?

Physics

1 answer:

iren2701 [21]3 years ago

3 0

It found on Earth atmosphere.

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Which of the following has to happen before the eardrum begins to vibrate with the same frequency as the source of the sound wav

djverab [1.8K]

Answer:

C. The outer ear has to collect the sound waves and lead them to the middle ear.

Explanation:

In the process of hearing, the first thing that happens is that sound waves enter the outer ear through a passage called "auditory canal" that reaches the eardrum.

The movement of the incoming sound waves causes the eardrum to vibrate and transmit these vibrations to three tiny bones of the middle ear.

4 0

4 years ago

Read 2 more answers

Use Einstein’s energy equation to solve the following problem. Recall that the speed of light is 3 x 108 m/s. If a 5.0-kg stone

Blizzard [7]

E =mc²

= (5.0-kg)(3 x 10^8 m/s)²

= (5.0-kg) (9×10^16m²/s²)

E =4.5×10^17 J

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3 years ago

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To practice Problem-Solving Strategy 15.1 Mechanical Waves. Waves on a string are described by the following general equation y(

NeX [460]

Answer:

The transverse displacement is $y(1.51 , 0.150) = 0.055 m$

Explanation:

From the question we are told that

The generally equation for the mechanical wave is

$y(x,t) = Acos (kx -wt)$

The speed of the transverse wave is $v = 8.25 \ m/s$

The amplitude of the transverse wave is $A = 5.50 *10^{-2} m$

The wavelength of the transverse wave is $\lambda = 0540 m$

At t= 0.150s , x = 1.51 m

The angular frequency of the wave is mathematically represented as

$w = vk$

Substituting values

$w = 8.25 * 11.64$

$w = 96.03 \ rad/s$

The propagation constant k is mathematically represented as

$k = \frac{2 \pi}{\lambda}$

Substituting values

$k = \frac{2 * 3.142}{0. 540}$

$k =11.64 m^{-1}$

Substituting values into the equation for mechanical waves

$y(1.51 , 0.150) = (5.50*10^{-2} ) cos ((11.64 * 1.151 ) - (96.03 * 0.150))$

$y(1.51 , 0.150) = 0.055 m$

4 0

4 years ago

What is gravitational energy ?

Tanzania [10]

The energy of one massive object has in relation with another massive object due to gravity is called gravity

4 0

2 years ago

Which of the following is the equivalent resistance of the circuit shown?

erica [24]

I believe the answer is going to B I hope this helps and good luck

6 0

3 years ago