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Y_Kistochka [10]
3 years ago
5

A book is sitting on a table, completely still. What would happen if gravity suddenly stopped affecting the book? A. The book wo

uld move upward. B. The book would stay where it is. C. The book would fall. D. The book would move sideways.
Physics
1 answer:
laila [671]3 years ago
6 0
B is correct answer.
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Answer:

10

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What would the acceleration of a car be from a stoplight if it started at 0 m/s and reached a
trapecia [35]

Answer:

The acceleration of a car would be:  a=12.8 m/s²

Explanation:

Given

Initial velocity = v_1=0 m/s

Final velocity = v_f=100 m/s

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To determine

We need to determine the acceleration of a car.

We know that acceleration is basically the rate of change in velocity over time.

Thus,

We can determine the acceleration using the formula

\:\:\:a=\:\frac{v_f-v_i}{t}

where

  • a is the acceleration
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  • v_f is the final velocity
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now substituting the values v_1=0,  v_f=100, and t = 7.8 in the formula

\:\:\:a=\:\frac{v_f-v_i}{t}

a=\:\frac{100-0}{7.8}

a=\frac{100}{7.8}

a=12.8 m/s²

Therefore, the acceleration of a car would be:  a=12.8 m/s²

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3 years ago
Which tool would be most useful to identify areas with frequent earthquakes to predict future earthquakes?
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It is a seismograph that would be most useful.
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Suppose that you want to move a heavy box with mass 30.0 across a carpeted floor. You try pushing hard on one of the edges, but
timurjin [86]
The solution to the problem is as follows:
Normal force is m*g plus 240 N*sin30. 
<span>30 kg*9.8 m/s^2 + 240 N*sin30 = 414 N
</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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Read the paragraph and then answer the question. "A giraffe has to stretch its neck to reach leaves for food. Over time, the gir
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The answer for this question is b, Lamarck!


7 0
3 years ago
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