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3 years ago

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As a wave travels through a medium, it displaces particles in a direction parallel to the motion of the wave. We can conclude th

is is a

1 answer:

Gre4nikov [31]3 years ago

5 0

Transvere wave because the direction which the particles are being displaced

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At what point on the track does a roller coaster have the greates kinetic energy?

vredina [299]

At the bottom of the first and biggest drop. I hope I helped ^u^

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3 years ago

Does visible light make up a relatively large part or a relatively small part of the electromagnetic spectrum?

Yakvenalex [24]

Answer:

Relatively small part of the electromagnetic spectrum

Explanation:

Let us take a look at the electromagnetic spectrum

Radio waves

Wavelength = $10^3\ m$

Microwaves

Wavelength = $10^{-2}\ m$

Infrared waves

Wavelength = $10^{-5}\ m$

Visible waves

Wavelength = $0.5\times 10^{-6}\ m$

Radio waves

Wavelength = $10^3\ m$

Ultraviolet waves

Wavelength = $10^{-8}\ m$

X ray waves

Wavelength = $10^{-10}\ m$

Gamma ray waves

Wavelength = $10^{-12}\ m$

So, it can be seen that the visible light makes up a relatively small part of the electromagnetic spectrum.

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3 years ago

At very high pressures, gases become ____________ and will eventually _______________.

stiks02 [169]

Answer:

B) more dense; change to a liquid or solid

Explanation:

When the pressure of a gas is increased, the average distance between the molecules decreases. In fact, if we assume that the temperature of the gas is kept constant, then we have

$pV=const.$

which means that the product between pressure and volume is constant: so, if the pressure increases, the volume decreases, and therefore the density of the gas increases (because density is inversely proportional to the volume, $d=\frac{m}{V}$ )

Moreover, at very high pressure, the gas can turns into a liquid and eventually into a solid: in fact, as the average distance between the molecules decreases more and more, at some point they becomes so close to each other that the intermolecular forces start to be relevant, turning the gas into a liquid.

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3 years ago

Newton's second law states that the force produced by a moving object depends on its mass and acceleration. Which is an example

lozanna [386]

The example of Newton's second law is that a runner accelerates at a rate of 1 meter per second per second during the race. The correct answer is C.

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3 years ago

A hovering mosquito is hit by a raindrop that is 50 times as massive and falling at 8.4 m/s, a typical raindrop speed. How fast

kenny6666 [7]

The final velocity after the collision is 8.2 m/s

Explanation:

We can solve this problem by using the law of conservation of momentum: in fact, if we consider the system to be isolated (=no external unbalanced forces), the total momentum of the raindrop+mosquito must be conserved before and after the collision.

If the collision is perfectly inelastic, moreover, the raindrop and the mosquito stick together and travel at the same velocity v after the collision.

Mathematically:

$p_i = p_f\\m_1 u_1 + m_2 u_2 = (m_1+m_2)v$

where:

$m_1$ is the mass of the first mosquito

$u_1 = 0$ is the initial velocity of the mosquito

$m_2 = 50 m_1$ is the mass of the raindrop

$u_2 = 8.4 m/s$ is the initial velocity of the raindrop

$v$ is the final combined velocity of the raindrop+mosquito

Re-arranging the equation and substituting, we find:

$m_1 u_1 + 50 m_1 u_2 = (m_1 + 50 m_1) v\\50 m_1 u_2 = 51 m_1 v\\50 u_2 = 51 v\\v=\frac{50}{51}u_2 = \frac{50}{51}(8.4)=8.2 m/s$

Learn more about momentum here:

brainly.com/question/7973509

brainly.com/question/6573742

brainly.com/question/2370982

brainly.com/question/9484203

#LearnwithBrainly

4 0

3 years ago