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Firlakuza [10]
3 years ago
10

Help for brainlist easy science plz

Physics
2 answers:
zalisa [80]3 years ago
6 0

Answer:

the pics upside down fam

Explanation:

beks73 [17]3 years ago
5 0
<h2>Answer:</h2><h2>Darling, your worksheet is upside down.  </h2>
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What is it called when the moon passes through the penumbra of Earth’s shadow?(1 point)
skad [1K]

Answer:  I'm not sure, but I think it would be a <em>total lunar eclipse </em>

8 0
3 years ago
How fast must a 1000 kg car be moving to have a kinetic energy of:
VMariaS [17]

Answer:

\mathrm{(a)}\: 2\: \mathrm{m/s}\\\mathrm{(b)}\: 20\: \mathrm{m/s}\\

Explanation:

The kinetic energy of an object is given by KE=\frac{1}{2}mv^2 where m is the mass of the object and v is the velocity of the object.

We can set up the following equations with the information given:

\mathrm{(a)}\: 2.0\cdot 10^3=\frac{1}{2}\cdot 1000\cdot v^2, \\v=\fbox{$2\: \mathrm{m/s}$}

For part B, we have the same equation, but kinetic energy is now 2.0\cdot 10^5.

Therefore:

\mathrm{(b)}\: 2.0\cdot 10^5=\frac{1}{2}\cdot 1000\cdot v^2, \\v=\fbox{$20\: \mathrm{m/s}$}.

6 0
3 years ago
How much energy is required to increase the temperature of
Basile [38]

Explanation:

Q=msdt

= 2 x 128 x (7-4)

=256 x 3

= 768 J

6 0
3 years ago
IE is the energy required to remove an electron from an atom. As atomic radius increases, the valence electrons get farther from
Bond [772]

Answer:

The bigger the atom the lesser the ability of the atom to hold on to its valence electrons.

Explanation:

Atomic radius can be looked at as the distance between the nucleus and the outermost energy level. As an atom gets bigger, the outer shell gets further and further from the positive nucleus. this means that electrons that are in the outer energy level become less held (attracted) by the nucleus because of distance and shielding of the attractive forces by the electrons in the lower energy levels. This means that as an atom becomes bigger, its ability to hold on to its outer electrons lessens.

4 0
3 years ago
Which planet has a density that is less than the density of liquid water?
yawa3891 [41]
Saturn our second biggest planet.
7 0
4 years ago
Read 2 more answers
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