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3 years ago

Water intake and hydration are positively correlated. This indicates that as water intake increases, hydration

Physics

1 answer:

goldenfox [79]3 years ago

4 0

Increases is the correct answer

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A 2000-kg truck traveling at a speed of 6.0 m/s slows down to 4.0 m/s along a straight road. What

antiseptic1488 [7]

Answer: -4000 kg • m/s

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3 years ago

You are less likely to see a total solar eclipse than a total lunar eclipse because a. the moon’s shadow covers all of Earth dur

Bad White [126]

D. Because the moons shadow during a total lunar eclipse is tinnier than the earth.

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3 years ago

Read 2 more answers

Which of the following are not examples of circular motion? Check all that apply

CaHeK987 [17]

B.riding on a ferris wheel

E.a satellite orbiting the Earth

Explanation:

A person riding on a ferris wheel and a satellite orbiting the earth both depicts circular motion.

Circular motion is the motion of a body about a fixed axis or center.

The motion path of the body forms a circle around the center.
In circular motion, the travel path is along a circle.
An orbiting satellite traces out its orbit round the earth.
At certain times, it passes through that point over and over again.
This is similar to that of a ferris wheel

Other options gives other types of motion.

learn more:

circular motion brainly.com/question/2562955

#learnwithBrainly

5 0

3 years ago

What is the root mean square speed of an As4 particle as it is sublimed? (Assume at high temperatures arsenic acts like an ideal

Norma-Jean [14]

Answer: $v_{rms} =$ 273m/s

Explanation: Root Mean Square Speed of an atom or molecule is the speed of a particle in a gas. It is the average speed a particle in a gas can have.

It can be calculated:

$\frac{1}{2}mv^{2} = \frac{3}{2} k_{B}T$

$v^{2} = \frac{3k_{B}T}{m}$

$v = \sqrt{\frac{3k_{B}T}{m}}$

m is mass of one atom or molecule in kg.

An atom of Arsenic sublimes at 614°C. Converting to Kelvin:

T = 614 + 273 = 887K

Molecular mass of As4 is approximately 0.3kg.

$m = \frac{0.3}{6.10^{23}}$

$m=5.10^{-25}$ kg

Calculating Root mean square speed :

$v = \sqrt{\frac{3*1.4.10^{-23}*887}{5.10^{-25}}$

$v = \sqrt{745.08.10^{2}$

v = 273m/s

The root mean square speed of As4 is approximately 273m/s.

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3 years ago

How is velocity determined from a distance over time graph

Elden [556K]

Answer:

The slope of a distance vs time graph represents velocity.

Explanation:

7 0

3 years ago