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bagirrra123 [75]
3 years ago
11

What is the approximate initial height of the counterweight?

Physics
1 answer:
BabaBlast [244]3 years ago
5 0

Answer: I don't know this one but I'm just came here for points

Explanation:

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Which are ways to improve the design of this experiment? Check all that apply.
Arte-miy333 [17]

Answer:

* Experiment with a higher range of materials

* Use a galvanometer.

* Vary in number of coils of the electromagnet

Explanation:

This is an experiment of electricity and magnetism, in general the best way to improve the results are:

* Experiment with a higher range of materials

   allowing to know the scope of the initial assumptions

* Use a galvanometer.

  The more accurate the readings the error of the derived quantities is the less which will improve the precision of the experiment.

* Vary in number of coils of the electromagnet

  Since it allows to have greater magnetic fields and therefore expand the range of measurements

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3 years ago
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A block oscillating on a spring has a maximum speed of 20 cm/s. part a what will the block's maximum speed be if its total energ
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It will be 4 times of original thus maximum speed would be 80cm/s
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Afina-wow [57]

Answer:

The correct answer is option'B': Change in entropy

Explanation:

We know from the second law of thermodynamics for any spontaneous process the total entropy of the system and it's surroundings will increase.

Meaning that any unaided process will  move in a direction in which the entropy of the system will increase.It is because the system will always want to increase it's randomness

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Question 9
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True ! Attending the funeral of a foreign leader IS fulfilling the role of head of state.
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Question 10 (2 points)
Stella [2.4K]

Answer:

gamma rays

Explanation:

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