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dalvyx [7]
3 years ago
11

Determine the energy, in electron volts, of an emitted photon when an electron transition from n=3 to n=2 occurs

Physics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0
Give me some answer choices and i will be happy to help
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The pressure inside a sealed container of methane gas (CH4) is 35.0 kPa. If this 80.0 L sample
STatiana [176]

Answer:

<h3>The answer is 30.43 L</h3>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{35000 \times 80}{92000}  =  \frac{2800000}{92000}  =   \frac{700}{23}  \\  = 30.434782...

We have the final answer as

<h3>30.43 L</h3>

Hope this helps you

4 0
2 years ago
A stone is thrown vertically upwards with an initial velocity 20m/s. Find the maximum height it reaches and the time taken by it
Colt1911 [192]

Answer:

20metere

  1. Y=VOYYT-1/2gt^2
  2. H=20m/s*2s-1/2*10m/s^2(2s)^
  3. H=40m-1/2*10 4s^2
  4. 40m-20
  5. H=20m
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2 years ago
If a river current is 8.0 m/s, and a boat is traveling 10.0 m/s upstream, what is the boat’s speed relative to the riverbank?
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If the boat is i travling at 10 m/s and the river is 8.0 m/s the boats speed is 18.0 m/s

3 0
3 years ago
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What makes a good scientific question? (1 point)
liraira [26]

C. It is answered by observation and evidence.

Good scientific explanations are defined, measurable and controllable. They can be answered by an experiment.

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A parsec is a measurement of: magnitude distance position speed
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A parsec is a measurement of distance.
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3 years ago
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