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uysha [10]
3 years ago
7

What does the change of motion of an object depend on?

Physics
2 answers:
irina1246 [14]3 years ago
7 0

Answer:

D

Explanation:

only depends on mass

IrinaVladis [17]3 years ago
4 0

Answer:

I think the answer is B

Explanation:

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The _____ law of thermodynamics states that energy can't be created or destroyed. Two natural sources of energy on Earth are the
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<span>So we need to put in the correct words to fill in the blanks. The FIRST law of thermodynamics states that energy can't be created or destroyed. It is a formulation of the law of conservation of energy modified for thermodynemical systems. Two natural sources of energy on Earth are the solar and wind. Also geothermal energy and hydropower are natural sources of energy. </span>
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What is the name of family or group two
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A baseball player slides into third base with an initial speed of 4.0 m/s. If the coefficient of
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The frictional force is given by F = μmg 

<span>where μ is the coeficient of friction. </span>

<span>Work done by frictional force = Fd = μmgd </span>

<span>Kinetic energy "lost" = 1/2 mv² </span>


<span>Fd = μmgd = 1/2 mv² </span>

<span>The m's cancel μgd = v² / 2 </span>



<span>d = v² / 2μg </span>

<span>d = 8² / 2(0.41)(9.8) </span>

<span>d = 32 / (0.41)(9.8) </span>

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<span>Player slides 8 m . </span>



<span>Note. In your other example μ = 0.46 and v = 4 m/s </span>



<span>d = v² / 2μg </span>




<span>= 4² / 2(0.46)(9.8) </span>

<span>= 8 / (0.46)(9.8) </span>

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</span>
Hope i Helped :D
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3 years ago
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Students measured the mass of 25.0 mL of water and found it be 25.4 g. The accepted mass is 25.0 g. What is the percent error of
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Well first of all, I think the students may have been correct. 
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But the question says there was, so we'll do the math:

The 'error' was  (25.4 - 25.0) = +0.4 gram

As a fraction of the 'real' value, the error was

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To change a decimal to a percent, move the
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Their measurement was 1.6% too high.

Let's not call it an 'error'.  Let's just call it a 'discrepancy'
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3 years ago
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How would you go about separating the components of a mixture of sand, gravel, salt and iron filings
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Pour the entire components into water.

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Next we can run this solution through a filtration device to separate the sand from the water.

Now all that's left is to let the water evaporate so that the salt will be exposed that dissolved into the water.

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