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1 year ago

In which part of the ear is the sound wave converted into an electrical impulse?

1 answer:

5 0

The Cochlea is filled with a fluid that moves in response to the vibrations from the oval window. As the fluid moves, 25,000 nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.

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A 95 kg clock initially at rest on a horizontal floor requires a 650 n horizontal force to set it in motion. after the clock is

Tamiku [17]

The μs between the clock and floor is 650(M*g) and the μk between the clock and the floor is 560(M*g)

3 0

2 years ago

Read 2 more answers

Two objects each moving with speed v travel in opposite directions along a straight line passing through both their centers. The

Tpy6a [65]

Answer:

$\dfrac{1}{16}$

$\dfrac{5}{3}$

Explanation:

$m_1$ = Mass of first object

$m_2$ = Mass of second object

v = Speed of both objects

$\dfrac{v}{4}$ = Combined velocity

The ratio of final kinetic energy to initial kinetic energy will be

$\dfrac{K_f}{K_i}=\dfrac{\dfrac{1}{2}(m_1+m_2)(\dfrac{v}{4})^2}{\dfrac{1}{2}(m_1v^2+m_2v^2)} \\\Rightarrow \dfrac{K_f}{K_i}=\dfrac{(m_1+m_2)\dfrac{v^2}{16}}{m_1v^2+m_2v^2}\\\Rightarrow \dfrac{K_f}{K_i}=\dfrac{(m_1+m_2)\dfrac{1}{16}}{m_1+m_2}\\\Rightarrow \dfrac{K_f}{K_i}=\dfrac{1}{16}$

The ratio is $\dfrac{1}{16}$

As the linear momentum is conserved

$m_1v-m_2v=(m_1+m_2)\dfrac{v}{4}\\\Rightarrow m_1-m_2=(m_1+m_2)\dfrac{1}{4}$

Divide by $m_2$ on both sides

$\dfrac{m_1}{m_2}-1=\dfrac{m_1}{4m_2}+\dfrac{1}{4}\\\Rightarrow \dfrac{m_1}{m_2}-\dfrac{m_1}{4m_2}=\dfrac{1}{4}+1\\\Rightarrow \dfrac{3m_1}{4m_2}=\dfrac{5}{4}\\\Rightarrow \dfrac{m_1}{m_2}=\dfrac{5\times 4}{3\times 4}\\\Rightarrow \dfrac{m_1}{m_2}=\dfrac{5}{3}$

The ratio of mass is $\dfrac{5}{3}$

6 0

2 years ago

U=10m/s<br> V=40m/s<br> g=10m/s²<br> Find time taken to reach theground

iogann1982 [59]

Let me Check but for now lets sing a song about physics

Explanation:

Welcome to science wars

Chemistry

Bio

Physics

Mathematical

Which field is best?

I understand the force and energy

Quantum mechanics and relativity

My field is pure and they rely on me

I see the universe like nobody

You may have made fun of me in high school

For being awkward and following the rules

Now I've got lasers

(Wow that's really cool)

May the mass times acceleration be with you

Atoms!

Entropy!

Dark matter!

String theory!

If you want to feel a bond

Then I can give you a good reaction

The elements that make up life are my essence

Are my satisfaction

All the other fields out there are so basic

Yeah, I'm the central science

Keep your i-on me I'll get you charged

If you need me, call me up on Avogadro's number

If you leave me, take a titrant

Shove it up your acid buffer

Dopamine and serotonin will keep you good and happy

Just get your flask and your glass all set up

And begin to understand the world

Within me you'll find life's beauty

From genetics to ecology

Symbiosis and not division

Unless it's mitosis or the study of fission

Even if you don't pass you'll enjoy my class

Evolution has brung us along

All species singing one song

If you want to learn about the world I must say

I am the purest field of study you can take

Immune to misinterpretation

The blueprint of creation

The backbone of all things science

No bias just constant augmentation

With your mind and observation

No gadgets just your logic and your time

And Pi!

Together we will find the answers to life

With Physics

Bio

Chemistry

And Math

We can science!

7 0

2 years ago

A water balloon is thrown at an angle of 30° with a velocity of 40 m/s. How long do you have to move out of the way if the ballo

boyakko [2]

Answer:

t=0.58s

Explanation:

We can consider only the horizontal component since the horizontal component of the velocity is constant ( $v_x=vcos\theta$ ), and we want to know how much time it takes for the balloon to travel a horizontal distance $d_x$ at that speed. The definition of (horizontal) velocity is $v_x=\frac{d_x}{t}$ , so we have:

$t=\frac{d_x}{v_x}=\frac{d_x}{vcos\theta}=\frac{(20m)}{(40m/s)cos(30^{\circ})}=0.58s$

6 0

2 years ago

A magnet is surrounded by blank, which applies a push or a pull to an object without actually touching it

o-na [289]

METAL!!!!!!!!!!!!!!!!!!!!

6 0

2 years ago