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3 years ago

What do you predict would happen if a person did aerobic exercise but did not work to build muscle?

Physics

1 answer:

irga5000 [103]3 years ago

5 0

Answer: I predict they just gain energy and its probably still processing inside your body(muscle).

Explanation:

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The nucleus of an atom can have either a positive or negative charge. please select the best answer from the choices provided t

Airida [17]

F - False.

The nucleus of an atom is positively charge.

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3 years ago

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An object floats in water with 5 8 of its volume submerged. The ratio of the density of the object to that of water is

ki77a [65]

Answer:

$\dfrac{5}{8}$

Explanation:

m = Mass of object = $\rho v$

m' = Mass of water = $\rho' v'$

$\rho$ = Density of object

$\rho'$ = Density of water

Weight of the water displaced is the force in the case of floating objects

According to the question

$v'=\dfrac{5}{8}v$

In the case of floating objects

$W=W'\\\Rightarrow mg=m'g\\\Rightarrow \rho vg=\rho'v'g\\\Rightarrow \rho v=\rho' \dfrac{5}{8}vg\\\Rightarrow \rho=\rho' \dfrac{5}{8}\\\Rightarrow \dfrac{\rho}{\rho'}=\dfrac{5}{8}$

The ratio of the density of the object to that of water is $\dfrac{5}{8}$

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3 years ago

A wave in which the medium vibrates perpendicular to the motion of the wave is called a ___________ wave.

8090 [49]

Transversal wave is the answer

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3 years ago

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In a certain experiment, a radio transmitter emits sinusoidal electromagnetic waves of fre- quency 110.0 MHz in opposite directi

Shkiper50 [21]

To solve the problem it is necessary to take into account the concepts related to frequency depending on the wavelength and the speed of light.

By definition we know that the frequency is equivalent to,

$f=\frac{c}{\lambda}$

where,

c= Speed of light

$\lambda = Wavelength$

While the wavelength is equal to,

$\lambda = \frac{2L}{n}$

Where,

L = Length

n = Number of antinodes/nodes

PART A) For the first part we have that our wavelength is 110MHz, therefore

$\lambda = \frac{c}{f}$

$\lambda = \frac{3*10^8}{11*10^6}$

$\lambda = 1.36m$

Therefore the distance between the nodal planes is 1.36m

PART B) For this part we need to find the Length through the number of nodes (8) and the wavelength, that is,

$\lambda'=\frac{2L}{n}$

$L = \frac{\lambda n}{2}$

$L = \frac{8*2.72}{2}$

$L = 10.90m$

Therefore the length of the cavity is 10.90m

4 0

3 years ago

Please help fast

vaieri [72.5K]

D.sound insulators prevent from being transmitted better than elastic solids

Explanation:

The correct option from the given choices is that, sound insulators prevent sound from being transmitted better than elastic solids.

Sound is a form of wave that transmits energy from one point to another.

This wave form is a longitudinal wave in nature.

During the propagation of sound, it requires a material medium to move.

Sound insulators are special materials designed not to transmit sound energy.

Such materials cuts off sound. They are better than elastic solids in preventing sound transmission.

learn more:

Sound wave brainly.com/question/3619541

#learnwithBrainly

8 0

3 years ago