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3 years ago

7

If you and your friend are riding your bikes side by side and your reference points are each other, are you in motion? Explain y

es or no

1 answer:

geniusboy [140]3 years ago

6 0

If your ref points are each other and not the surrounding environment, at the same speed you would both appear to be stationary

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A baseball player hits a baseball with a bat. The mass of the ball is 0.05 kilograms. The ball accelerates at 2,000 meters per s

AlexFokin [52]

Answer:

550

Explanation:

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2 years ago

Which describes an atom that has fewer neutrons than protons and more electrons than protons?

aleksklad [387]

Answer:

negative ion

Explanation:

An atom that has fewer neutrons than protons and more electrons than protons is a negative ion.

The positively charged particles in an atom are the protons

The negatively charged particles in an atom are the electrons.

The charge an atom carries depends on the balance between the number of protons and electrons in an atom.

When the number of protons is more than the number of electrons, the atom is positively charged.
When the number of electrons is more than the number of protons, the atom is negatively charged.

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2 years ago

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Write a linear equation that expresses the relationship between the temperature in degrees Celsius (C) and degrees Fahrenheit (F

UkoKoshka [18]

Answer:

$\displaystyle F=\frac{9}{5}C+32$

$\displaystyle C=\frac{5}{9}(F-32)$

Explanation:

<u>Temperature Units Conversion </u>

The conversion formula between Celsius and Fahrenheit temperature scales is well-known. But we'll use the provided data to derive the formula. Let's model the relationship between Fahrenheit (F) and Celsius (C) as a linear function like

$F=mC+b$

Where m and b must be computed according to the pair of conditions given. The values for each temperature scale are (C,F)=(0,32) and (100,212). Replacing the first value

$32=m\times 0+b$

It means that

$b=32$

By using the second point

$212=m\times 100+32$

Solving for m

$\displaystyle m=\frac{212-32}{100}=\frac{180}{100}$

Simplifying

$\displaystyle m=\frac{9}{5}$

So, the conversion formula is

$\displaystyle F=\frac{9}{5}C+32$

Which is the widely known formula for temperature conversion

Solving for C, we get the inverse relation

$\boxed{\displaystyle C=\frac{5}{9}(F-32)}$

3 0

3 years ago

inna [77]

Answer:

5g/cm

Explanation:

denisty=mass/volume

100/20

5g/cm

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2 years ago

Х<br> Help<br> Close<br> Pre-video question: What type of cell division produces sperm and<br> ova?

vovangra [49]

Answer:

HI THERE

Explanation:

MEIOSIS produces sperm and ova

thank you

I am also reading this chapter

it will come in my exams

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2 years ago

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