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Paraphin [41]
3 years ago
11

The specific gravity of mantle rock is about 3.3. True False

Physics
1 answer:
Alla [95]3 years ago
5 0
True is the correct answer
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A scientist carries out an experiment. How could she help other scientists judge the validity of her results?
NNADVOKAT [17]
One way to do it is she could right down the data that she got
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3 years ago
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A racecar experiences a centripetal acceleration of 36.0 m/s2 as it travels at a constant speed of 27.0 m/s along a circular arc
alexdok [17]

Answer:

20.25 m

Explanation:

  • <u>Centripetal acceleration </u>is given by; the square of the velocity, divided by the radius of the circular path.

That is;

         <em><u>ac = v²/r</u></em>

<em>         </em><em><u> Where; ac = acceleration, centripetal, m/s², v is the velocity, m/s and r is the  radius, m</u></em>

Therefore;

r = v²/ac

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  = 20.25 m

Hence the radius is 20.25 meters

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2 years ago
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The distance from one crest to the next is the ________.
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Answer:

Wavelength.

Explanation:

1 period, or wavelength, is measured from one crest to another or from one trough to another.

7 0
3 years ago
A new restaurant is interested in determining the best time-temperature combination for roasting a five-pound cut of lamb. The t
Leto [7]

Answer:

C

Explanation:

(c) The two cuts that are being roasted for each time-temperature combination are an example of replication.

In the question it is given that  From 10 identical cuts of lamb, 2 are randomly selected to roast using each of the time-temperature combinations in the same oven. Here it is an act of copying the exact sahpe size of the lamb in all cuts, which is nothing but replication. Moreover, this replication can help in proper comparision.

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2 years ago
what should be the angle between two vectors of same angle so that their resultant is equal to either of them?​
asambeis [7]

So, the angle between two vectors having equal magnitude is equal to 120º.

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<h2>:) Correct me if I'm wrong...</h2>
3 0
2 years ago
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