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Alex Ar [27]
3 years ago
6

One mL of water would have a density of blank g/cm 3.

Physics
2 answers:
Maslowich3 years ago
4 0
I believe that 1 millilitre of water would have a density of 1gram/cc and that is why water is used as a basis for Specific Gravity as relative to the SG of 1 of water. For example, gold has a SG of 19.2 or it is 19.2 times heavier than water.
alekssr [168]3 years ago
4 0
If it's water, then its density is 1 g/cm^3.

How much water there happens to be makes absolutely no difference.
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slega [8]

Answer:

b

Explanation:

if usa test prep

8 0
3 years ago
How much work must be done to bring three electrons from a great distance apart to 3.0×10−10 m from one another (at the corners
Natasha_Volkova [10]

Answer:

Potential\ Energy=Work \ Done=2.301*10^{-18} J

Work  done to bring three electrons from a great distance apart to 3.0×10−10 m from one another (at the corners of an equilateral triangle) is 2.301*10^{-18} Joules

Explanation:

The potential energy is given by:

U=Q*V

where:

Q is the charge

V is the potential difference

Potential Difference=V=\frac{kq}{r}

So,

Potential\ Energy=\frac{Qkq}{r} \\Q=q\\Potential\ Energy=\frac{kq^2}{r}

Where:

k is Coulomb Constant=8.99*10^9 Nm^2/C^2

q is the charge on electron=-1.6*10^-19 C

r is the distance=3.0*10^{-10}m

For 3 Electrons Potential Energy or work Done is:

Potential\ Energy=3*\frac{kq^2}{r}

Potential\ Energy=3*\frac{(8.99*10^9)(-1.6*10^{-19})^2}{3*10^{-10}}\\Potential\ Energy=2.301*10^{-18} J

Work  done to bring three electrons from a great distance apart to 3.0×10−10 m from one another (at the corners of an equilateral triangle) is 2.301*10^{-18} Joules

7 0
3 years ago
Which of the following best explains how earth is heated through radiation
lawyer [7]

Answer:

The sun touches earth during daytime and the suns rays heat our earth giving us heat. The sun heating the earth is also considered radiation.

Explanation:

6 0
3 years ago
A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 43.0 vibrations
blsea [12.9K]

Answer:

0.218

Explanation:

Given that

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Time taken to complete the vibrations is 33 seconds

Length of the wave is 424 cm = 4.24 m

to solve this problem, we first find the frequency.

Frequency, F = 43 / 33 hz

Frequency, F = 1.3 hz

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Wave velocity = 4.24 / 15

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Now, to get our answer, we use the formula.

Frequency * Wavelength = Wave Velocity

Wavelength = Wave Velocity / Frequency

Wavelength = 0.283 / 1.3

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7 0
3 years ago
Can velocity and acceleration point in opposite direction?
ICE Princess25 [194]
Yes, therefore the object would then slow down
6 0
4 years ago
Read 2 more answers
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