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4 years ago

11

A free-falling golf ball strikes the ground and exerts a force on it

1 answer:

ozzi4 years ago

4 0

Yes, it do, for a short time.

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What does a star turn hydrogen into?

liberstina [14]

Answer:

Helium

Explanation:

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3 years ago

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If a galaxy is located 200 million light years from Earth, what can you conclude about

timofeeve [1]

Answer:

D

Explanation:

It's quite simple actually, you see, what light years basically means is how many years light takes to travel from point a to point b. So here it says that a galaxy is 200 million light years away. So since that light is 200 million years away, it would take 200 million years until that light reaches us.

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3 years ago

I know I've posted this a couple times, but I finally got the entire question to show up in the pic, I need help with the second

Zolol [24]

Ok remember that W = -PV

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4 years ago

Alex787 [66]

Explanation:

<em>math</em><em>ematically</em><em>,</em>

<em> $kinetic \: energy \: = \frac{1}{2} m {v}^{2}$ </em>

<em>wher</em><em>e</em><em> </em><em>m</em><em>=</em><em> </em><em>mass</em>

<em>and</em><em> </em><em>v</em><em>=</em><em>veloc</em><em>ity</em>

<em>giv</em><em>en</em><em> </em><em>that</em><em>,</em><em> </em>

<em>kinet</em><em>ic</em><em> energy</em><em>=</em><em>4</em><em>9</em><em>3</em><em>9</em><em>0</em><em>0</em><em>J</em>

<em>mass</em><em> </em><em>=</em><em>5</em><em>0</em><em>4</em><em>0</em><em>k</em><em>g</em>

<em>maki</em><em>ng</em><em> </em><em>velo</em><em>city</em><em> </em><em>the</em><em> </em><em>su</em><em>bject</em>

<em> $v = \sqrt{ \frac{2 \times kinetic \: energy}{mass} }$ </em>

<em>sub</em><em>stitute</em><em> </em><em>the</em><em>ir</em><em> </em><em>valu</em><em>es</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>formu</em><em>la</em>

<em> $v = \sqrt{ \frac{2 \times 493900}{5040} }$ </em>

<em> $v = \sqrt{ \frac{987800}{5040} }$ </em>

<em> $v = \sqrt{196}$ </em>

<em> $v = 14m {s}^{ - 1}$ </em>

<em>Thu</em><em>s</em><em> </em><em>th</em><em>e</em><em> </em><em>velo</em><em>city</em><em> </em><em>is</em><em> </em><em>1</em><em>4</em><em>m</em><em>e</em><em>t</em><em>e</em><em>r</em><em>s</em><em> </em><em>per</em><em> </em><em>se</em><em>cond</em>

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3 years ago

James Stewart, 2002 Motocross/Supercross Rookie of the Year, is leading a race when he runs out of gas near the finish line. He

Elza [17]

Explanation:

Below is an attachment containing the solution.

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4 years ago