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Zepler [3.9K]
3 years ago
9

Two students try to move a heavy box. One pushes with the force of the 20N while the other pulls with a force of 30N in the same

direction. What is the work done by each boy after 10 seconds if the box can\t be moved? Show your equation.
Physics
1 answer:
hichkok12 [17]3 years ago
6 0

Answer:

Explanation:

Time is not part of the Work equation. That's the only conclusion that you can come to.

Work = Force * distance.

Not enough information is given to go any further. You don't have enough information to calculate the distance.

We don't know if the box can be moved or not. It says heavy. 50 N is really not very much.

I would guess that you are intended to answer that the box didn't move, but it's really hard to tell.

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The average value for t- statistics is 0 if null hypothesis is true.

What is a t – statistics and null hypothesis ?

  • The t-statistic, which is used in statistics, measures how far a parameter's estimated value deviates from its hypothesized value relative to its standard error.
  • Through the Student's t-test, it is utilized in hypothesis testing. In a t-test, the t-statistic is used to decide whether to accept or reject the null hypothesis.
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The t-test yields a t-value of 0 if the sample data precisely match the null hypothesis. The value of the t-value rises as the sample data diverge more and more from the null hypothesis.

To learn more about null hypothesis visit here:

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What is the purpose of the antireflective coating on the glass layer of a solar
gizmo_the_mogwai [7]

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I think d. is the answer I'm not conform

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It is cold and dry outside. You go down the slide and experience a small electric shock. What charge must you and slide be in or
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The mechanical energy of a bicycle at the top of a hill is 6,000 J. The bicycle stops at the bottom of the hill by applying the
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Answer:

Thermal energy produce =4,000 J.

Explanation:

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How do i do this is hard
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I believe it would be E)none of the above.

Explanation:

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