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Sladkaya [172]
3 years ago
6

Hiii please help i’ll give brainliest if you give a correct answer please thanks!

Physics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

i Guess 1 or 3

Explanation:

yea 1 or 3 or just  guess hard

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A titanium bicycle frame displaces 0.314 l of water and has a mass of 1.41 kg. what is the density of the titanium in g>cm3 ?
Kobotan [32]
The density of an object is the ratio of its mass over the volume. This translates to the amount of substance present in a certain space and can mathematically be expressed as,
 
                   density = mass / volume

In this item, we are given that the object of mass 1.41 kg is able to displace 0.314 L of liquid. The volume of water displaced is also the volume of the object. Hence,
                  density = 1.41 kg / 0.314 L = 4.49 kg/L

Then, we convert the calculated volume of g/mL.
                  density = (4.49 kg/L)(1 L / 1000 mL)(1000 g/1 kg)
                   <em>   density = 4.49 g/mL</em>
6 0
4 years ago
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PLZ HELP ASAP<br> Explain what a gear ratio of 4:9 means.
yaroslaw [1]

Answer:

this is it

Explanation:

For every 9 turns of the driver the follower will make 4 complete rotations!

8 0
4 years ago
Which is the force of repulsion between two positivity-charged particles?
Yuki888 [10]

Since they are both positively charged, then the force would in fact be repulsion, because they are both the same. If you were to have one positively charged, and one negatively charged, then they would go towards eachother.

I hope this helps, if you need help on this question or any other questions, just ask. I am here to help.

3 0
3 years ago
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How does the resulting cell at the end of asexual reproduction compare to the original cell
lina2011 [118]

1. At the end of asexual reproduction the resulting cell is an exact genetic copy of the original cell.

2. During inter phase the cell copies its DNA, and grows to an appropriate size where it is safe for the cell to split.

3. After meiosis, the resulting daughter cells are 4 genetically different haploid daughter cells.

4. During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote. The two haploid gamete bring different traits together, they also shares some DNA. This makes each daughter cell unique.

4 0
3 years ago
If an electron is accelerated from rest through a potential difference of 9.9 kV, what is its resulting speed? (e = 1.60 × 10-19
Nata [24]

Answer:

So speed of electron will be 5.89\times 10^{-7}m/sec

Explanation:

We have given potential difference V = 9.9 KV

Charge on electron e=1.6\times 10^{-19}

So energy of electron E=eV=1.6\times 10^{-19}\times 9.9\times 10^3=15.84\times 10^{-16}J

This energy of electron will be equal to kinetic energy of electron

So \frac{1}{2}mv^2=15.84\times 10^{-16}J

\frac{1}{2}\times 9.11\times 10^{-31}v^2=15.84\times 10^{-16}

v=5.89\times 10^{-7}m/sec

So speed of electron will be 5.89\times 10^{-7}m/sec

8 0
3 years ago
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