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Their velocity after the collision was 2 m/s.

According to the principle of momentum conservation, momentum is only modified by the action of forces as they are outlined by Newton's equations of motion; momentum is never created nor destroyed inside a problem domain.

Given parameters:

one player (m=100kg) was moving at a velocity of 8 m/s initially.

Another  player (m=300kg) who was at rest (v=0m/s) initially.

After collision they stuck together and let the velocity of them is v.

According to principle of conservation of momentum,  total momentum remains conserved.

total initial momentum = total final momentum

100×8 + 300×0 = (100 + 300)v

400v = 800

v = 2.

Hence,  their velocity after the collision was 2 m/s.

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Answer:

1. Main Sequence - middle life 17

2. red

3. blue

4. White dwarf stars are much hotter than Red Supergiants 15. List the color of the stars from hottest to coldest: Blue, White, Yellow, Orange, Red 16.

5. red giants

Explanation:

Main sequence stars have a Morgan-Keenan luminosity class labeled V. red giant and supergiant stars (luminosity classes I through III) occupy the region above the main sequence. They have low surface temperatures and high luminosities which, according to the Stefan-Boltzmann law, means they also have large radii. White dwarf stars are much hotter than Red Supergiants 15. List the color of the stars from hottest to coldest: Blue, White, Yellow, Orange, Red 16. The hottest stars are the blue stars. A star appears blue once its surface temperature gets above 10,000 Kelvin, or so, a star will appear blue to our eyes. The lowest temperature stars are red while the hottest stars are blue. Astronomers are able to measure the temperatures of the surfaces of stars by comparing their spectra to the spectrum of a black body. Most stars, including the sun, are "main sequence stars," fueled by nuclear fusion converting hydrogen into helium. ...

As stars begin to die, they become giants and supergiants (above the main sequence).

Answer:

A super conductor is a perfect conductor that has zero resistance. It doesn't just have very low resistance and conducts electricity well, it has ZERO resistance and conducts electricity perfectly with no losses at all

The answer is Earthquakes.

Hope that this helped!

Answer:

The rate of change of an object's velocity is called acceleration.

Answer:

The sea floor's slope has a significant impact on how the waves break and how rapidly the sea floor affects them as they approach the coast. The direction in which waves break can also be influenced by local tides and the approach of the ocean surge.

Explanation:

Answer:

No

Explanation:

Sound doesn't has any relation with electric current sound is the movement of particles basically from one place to another and current is the movement of electrons, doesn't matter what the frequency of sound is current will always been flowing from positive terminal to the negative

Answer:

The answer is 'magma rises into the spaces where tectonic plates pull away from each other.'

Answer:I think it is the first answer

Explanation:

Answer:

The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere

Answer:

here is ya answer

Explanation:

The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction.

Answer:

B :D

Explanation:

Answer:

Cat and a dog

Explanation:

The cat might bark instead of meow because it has certain traits from the dog. The dog however may still bark because it is a dog!

Answer:

I think the commenters do not have a point. one winter of extreme snowfall or cold temperatures do not effect the realism of climate change and its physical effects to the world such as (global temperature rise, warming oceans, shrinking ice sheets, glacial retreat, decreased snow cover, sea level rise, declining artic sea ice, extreme events, and ocean acidification). Just because we have one cooler summer or one colder winter does not change the facts of the situation.

Explanation:

Don't know if you still need this but this is what I wrote for my PLATO answer.

Hope this helps

These commentators don't make a valid point, though. If this was the warmest winter on record, it would be inaccurate to assert that global warming is not the cause.

Long-term changes in temperature and weather patterns are referred to as climate change.

Although these changes may be natural, human actions have been the primary cause of climate change since the 1800s.

However, these commentators don't present a convincing argument. It would be incorrect to claim that global warming is not to blame if this winter turned out to be the warmest on record.

Despite snow where they were, there is global warming overall. Just because one location had snow does not mean that all locations will also have it.

It almost seems like they just performed one experiment on one group to get their results.

Which, as we all know, is completely incorrect because it takes at least three groups to provide a measurement that is even remotely accurate.

Thus, this can be concluded regarding the given situation.

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Answer:

When I used too cheer some of my teammates would talk bad too the other teams or they would also make bad gestures at them.

My teammates have also helped out if someone got hurt, and they have helped out other members of the squad get better

Explanation:

I don't know names or how old you were so just add those in and you should get a pretty good grade

c.E ps... that's the answerrr

Explanation:

that's the answer E

Answer:

well all you would have to do is draw a picture of him sliding and an arrow

and as for the second one rub your hands together and tell them what you see and then explain if it was easy to do or if you had troubles because the force of friction will make your hands warm up which is why you see them rub their hands together in movies

Answer:

1. The Speed is 390

2. The Frequency is 425 Hz

3. The Wavelength is 1.3

Explanation:

1. To find the speed of a wave you have to do the formula of speed.

Speed = Wavelength x Wave Frequency.

Speed = 1.5 * 260

= 390

Explanation:

force= mass x acceleration= 0.2 x 20= 4 N

(N stands for newton btw)

Answer: 3 hope this helps :)

Explanation:

Answer: #1 = 2 #2 = W

Explanation: Where there is the most potential energy is the top. The bottom when the energy has been used is where there is the most kinetic energy.

Answer: Answer to the I'm Tall when I'm Young, and I'm Short when I'm Old. What am I? Riddle is a candle

Hope this helps

the earth exerts a gravitational force

Answer:

this is your answer look it once

Answer:

ok

Explanation:

The Earth is made of several subsystems or "spheres" that interact to form a complex and continuously changing whole called the Earth system. Scale

Processes operating in the Earth system take place on spatial scales varying from fractions of millimeters to thousands of kilometers, and on time scales that range from milliseconds to billions of years.

Examples of instantaneous - breathing; rotation of the Earth; earthquake

Examples of long term - making coal; plate tectonics

Cycles

The Earth system is characterized by numerous overlapping cycles in which matter is recycled over and over again. Cycles involve multiple spheres and systems interactions.

Examples of cycles: day and night; rock cycle; seasons

Energy

The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.

Humans and the Earth System

People are part of the Earth system and they impact and are impacted by its materials and processes.

Answer:

the answer should be 'small scale'

Answer:

the sun and earths hot interior

Answer:

'Daniela had a 5-meter head start, and Leonard caught up to her at 25 meters.'

Explanation:

hope that helps :)

The statement which best describes the runners is: A. Daniela had a 5-meter head start, and Leonard caught up to her at 25 meters.

A graph can be defined as the graphical representation of data (information) such as position and time, on both the horizontal and vertical lines, which are commonly called the x-axis and y-axis respectively.

In Science, there are different types of graph and these include the following:

In conclusion, we can deduce from the position-time graph that Daniela had a 5-meter head start but Leonard caught up to her at 25 meters.

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Answer:a

Explanation:

Answer:

Your answer for this question is A) Particles move in the perpendicular direction that the wave travels

Answer:

.

Explanation: