The earth system concept emphasizes which of the following? Question 2 options: how everything on the earth is interconnected how you can study each system in isolation the concept that the earth is round how the earth's systems came about

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Answer 1

Answer: The earth system concept emphasizes on how everything on the earth is interconnected. Earth system in terms of four central components known as the subsystems – the hydrosphere,geosphere, atmosphere and biosphere. I hope the answer helps. Thanks!

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A car is traveling at a constant speed of 12 m/s when the driver accelerates the car reaches a speed of 26 m/s in 6 s what is the average acceleration of the car ?

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26-12= 14

14/6=2 1/3 m/s

What is the rms Voltage value and why we use it ?

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Suppose that you have an alternating current generator. If you want to get the same result with a direct current (DC) generator, you have to set the voltage to the RMS (Root Mean Square) value of the (AC). In short, RMS is the value of the direct current voltage that is used instead of an alternating current.

You are at the Super Bowl. The coach puts you in during the 4th quarter to be the quarterback to secure your team the win. Since you are fresh off the bench, you are able to throw the ball with more force than the last person. What advantages, using Newton's second law, will this have when playing?

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Answer:

the ball will fly faster, and longer distance, which means there is going to be less air resistnace friction acting upon the ball.

Explanation:

F = ma

Force = mass x acceleration

Mass of football remains constant, fresh arm of QB provides higher acceleration.

Ball will get to receiver faster.

The smallest group of particles in a crystal that retains the shape of the crystal is called the

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Answer:

Unit Cell

Explanation:

A unit cell is the smallest fundamental particle of a crystal structure that represents the structure of a crystal.

Long-range, three-dimensional repetitiveness of this unit cell forms a crystal. A unit cell is composed of ions or atoms in a particular arrangement forming a well-defined structure.

Crystal have a sharp melting and boiling point and when cut using a tool, they give a sharp edge on the pieces.

A pendulum is used in a large clock. The pendulum has a mass of 2kg. If the pendulum is moving at a speed of 4.1m/s when it reaches the lowest point on its path, what is the maximum length of the pendulum?

Answers

There's no way to calculate the length of the pendulum
with the given information.

The only thing we can calculate is the total energy in the pendulum.

When the pendulum is at the bottom of its swing, ALL of its energy
is kinetic.

   Kinetic energy = (1/2) x (mass) x (speed)²

   = (1/2) x (2 kg) x (4.1 m/s)²

   = 4.1 kg-m²/sec²

   = 4.1 Joules .

In principle, we can also calculate how HIGH the 'bob' is at the end of
its swing, because now we know how much total energy the pendulum
has, and at the ends of the swing, the energy is all potential.

   Potential energy = (mass) x (gravity) x (height)

   4.1 J = (2 kg) x (9.8 m/s²) x (height)

   Height = (4.1 kg-m²/s²) / (19.6 kg-m/s²)

   =    0.209 meter high

and that's as far as we can go. None of this points us toward
calculating the length of the pendulum.

Answer: 0.857

Explanation:

(4.1^2)/(2*9.8)

An article in a magazine denies that Earth is warming and climate change is occurring. The writer reports that this season was the snowiest winter on record for the Northeast, with lower than average temperatures for the region. Because of the low temperatures, the writer concludes that climate change cannot possibly be occurring. What question should you ask the writer to clarify whether his stance on climate change is scientifically sound?(A) Did the snowstorms cause extensive damage?
(B) Was this the coldest month on record for this region?
(C) Were the snowfall totals of each storm larger or smaller than last year?
(D) Were long-term temperature changes investigated in addition to short-term change?

Answers

D.
This is likely to challenge the writer's stance because one piece of data cannot accurately depict a long-term trend.`

Answer:

Explanation:

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When you can not see what is taking place, but other senses indicate occurrences. This is called?

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