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Sergio039 [100]
3 years ago
6

Which country had the largest population in 1997

Physics
1 answer:
nignag [31]3 years ago
6 0
China i hope this helped
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What is E of a hydrogen atom in the 3p state?
notsponge [240]

Answer:

E=-1.51 eV.

L=\hbar\sqrt{2}

Explanation:

The nth level energy of a hydrogen atom is defined by the formula,

E_{n}=-\frac{13.6}{n^{2} }

Given in the question, the hydrogen atom is in the 3p state.

Then energy of n=3 state is,

E_{n}=-\frac{13.6}{(3)^{2} }\\E_{n}=-1.51eV

Therefore, energy of the hydrogen atom in the 3p state is -1.51 eV.

Now, the value of L can be calculated as,

L=\hbar\sqrt{l(l+1)}

For 3p state, l=1

L=\hbar\sqrt{1(1+1)}\\L=\hbar\sqrt{2}

Therefore, the value of L of a hydrogen atom in 3p state is L=\hbar\sqrt{2}.

4 0
3 years ago
Please help me with these two questions
Andre45 [30]

Answer:

The kinetic energy would decrease because it has less mass

Explanation:

A battery

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3 years ago
A SUV is towing a trailer and accelerating on a level road. The force that the SUV exerts on the trailer is _____. equal to the
stepladder [879]

Answer:

equal to the force the trailer exerts on the road.

Explanation:

Because of the tension of the rope, the force that the SUV exerts on the trailer is equal and opposite to the force that the trailer exerts on the SUV. This is explained in Newton's third law of motion, which states that for every action, there is always an equal and opposite reaction.

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3 years ago
A flow of electric charge in a wire normally requires a _________.
just olya [345]
Flow of electric charge in a wire requires " ELECTRONS "
6 0
3 years ago
A bird on a long migration flies 63 kilometers per hour for 2900
Fed [463]

Answer:

46

Explanation:

2900 divided by 63 (2900/63)

-  46.03174603

Rounded to the nearest whole number

is 46.

THE ANSWER IS 46

5 0
3 years ago
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