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Over [174]
2 years ago
5

1) When you hold your nose and go underwater, you can still hear sounds that are made above the water, in the air, if they are l

oud enough. This is because the _________________ in the air get transferred to the water.
Physics
2 answers:
Deffense [45]2 years ago
6 0

Answer:

Vibrations

Explanation:

That is why when under water it sounds muffled and you cannot hear clearly.

Firdavs [7]2 years ago
5 0

Answer:

Vibrations

Explanation:

Vibrations are transferred through water. That's how dolphins are able to tell where food, family, and objects are

please vote brainliest!!

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If 1.34 ✕ 1020 electrons move through a pocket calculator during a full day's operation, how many coulombs of charge moved throu
ioda

Given :

Number of operations move through a pocket calculator during a full day's operation , n=1.34 \times 10^{20} .

To Find :

How many coulombs of charge moved through it .

Solution :

We know , charge in  one electron is :

e^-=-1.6\times 10^{-19}\ coulombs

So , charge on n electron is :

C=e^-\times n\\C=-1.6\times 10^{-19}\times 1.34\times 10^{20} \ C\\C=-21.44\ C

Therefore , -21.44 coulombs of charge is moved through it .

Hence , this is the required solution .

3 0
3 years ago
Una tortuga recorre una pista de 1,25 km que tiempo emplearia si lleara una velocidad de 0,2 km/h
Marina86 [1]

Responder:

<h2>5 horas </h2>

Explicación:

La velocidad se define como el cambio de distancia de un cuerpo con respecto al tiempo. Matemáticamente, Velocidad = Distancia / Tiempo

Dada la velocidad del coche = 0,25 km / hy la distancia = 1,25 km

El tiempo se expresa a partir de la fórmula como Tiempo = Distancia / Velocidad

La sustitución de los valores dados en la fórmula dará;

Tiempo = 1,25 km / 0,25 km / h

Tiempo = 5 horas

Por lo tanto, la tortuga tardará 5 horas en viajar a una velocidad de 0,2 km / h.

7 0
3 years ago
A bicycle rider travels 50.0 km in 2.5 hours. What is the cyclists speed
krek1111 [17]
Hi,
Recall the formula V=d/t, where V stands for velocity or speed, d stands for distance and t stands for time. By substituting your values you get: V=50.0km/2.5h, which equals to 20km/h.
7 0
3 years ago
Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sa
satela [25.4K]
The sad ball does not rebound after it strikes the block. This means that the collision is inelastic. If two sad balls collide with each other, we can assume completely inelastic collision. Since momentum is conserved, the kinetic energy during the collision would be twice that of each of the ball's, half of the kinetic energy of each ball will be dissipated.
4 0
3 years ago
Read 2 more answers
Tech A says that a vacuum modulator converts manifold vacuum into an engine load signal. Tech B says that the manual valve is mo
alexandr1967 [171]

Answer:

The correct option for the answer is A.) Tech A

Explanation:

Tech A is correct

8 0
3 years ago
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