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Phantasy [73]
3 years ago
9

Question 14 (2 points)

Physics
1 answer:
ryzh [129]3 years ago
5 0
I believe the answer will be: Ob.
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A 6.0 cm candle is 30.0 cm from a concave mirror that has a focal length
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23 cm from the mirror

Explanation:

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4 years ago
Why is honesty especially important in a scientist when the results of an experiment go against predictions❓❔
kramer
Because other scientists and science in general rely on their collegues' research which in turn allows development of our knowledge on the given subject. The more dont-to-earth reason may be safety. If someone performs an experiment without knowledge of its true results it might result in some danger to the safety of those perforning it without knowledge of all the risks.
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3 years ago
What characteristic of sound is most closely related to its frequency?
Andre45 [30]

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The loudness of sound is most closely related to

The pressure within a sound wave determines the loudness of the sound. In this lesson, learn how to calculate the sound pressure level of a sound wave and what this measurement represents.

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4 0
3 years ago
The energy transferred to the water in 100 seconds was 155 000 J. specific heat capacity of water = 4200 J/kg °C
skelet666 [1.2K]

Answer:

0.37 kg

Explanation:

I'm not a professor myself, but this is how I worked it out:

using the graph, after 100 seconds, the temperature is 100 degrees Celsius.

If we now substitute everything into the specific heat capacity equation, making the mass "m", we would come up with:

4200 = 155000/(m x 100)

If we rearrange and solve for m, we get 0.37 kg.

I'm not sure if I have done this correctly, feel free to correct me.

Hope this helps!

4 0
3 years ago
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A force acts on a moving rubber ball.
s344n2d4d5 [400]

Answer:

B

Explanation:

because it would change the direction and speed

8 0
2 years ago
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