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3 years ago

Which of the following statements about coal is not true?

Biology

2 answers:

Sunny_sXe [5.5K]3 years ago

8 0

Answer:

i think it c

Explanation:

AVprozaik [17]3 years ago

4 0

Explanation:

coal is difficult to ship and store for later use

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3 years ago

Which is transported by phloem?

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Answer:

Sugars

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Explain about forest plantation

KonstantinChe [14]

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Hope this helped!

Have a supercalifragilisticexpialidocious day!

4 0

2 years ago

A 35 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is 3.2 m from the carousel's axis

Andrews [41]

<h2>Hello!</h2>

The answer is:

b. $\frac{2.11m}{s^{2}}$

The centripetal acceleration or radial acceleration is present when an object is moving to describe a circular path. The centripetal acceleration is always perpendicular to the direction of the velocity and going inwards and towards the center.

The centripetal acceleration can be calculated using the following equation:

$CentripetalAcceleration=\frac{v^{2}}{RadiusOfMotion}$

From the statement we know that:

$v=TangentialSpeed=\frac{2.6m}{s} \\R=3.2m$

So, calculating we have:

$CentripetalAcceleration=\frac{{2.6^{2} \frac{m}{s} }}{3.2m}=\frac{{6.76\frac{m}{s} }}{3.2m}=\frac{2.11m}{s^{2} }$

So, the correct answer is:

b. $\frac{2.11m}{s^{2}}$

Have a nice day!

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3 years ago