3 years ago

What type of subsurface material is able to store groundwater?

Physics

1 answer:

notka56 [123]3 years ago

4 0

Porous material has many spaces that can hold(store) groundwater.

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3 years ago

What are the Big Five Personality Factors?

Zarrin [17]

Answer:

O-penness.

C-onscientiousness.

E-xtraversion.

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An unknown material has a mass of 0.447 kg, and its temperature increases by 2.87°C when 943 J of heat are added. What is the sp

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Answer:

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Q = mcT

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3 years ago

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Zigmanuir [339]

Radial acceleration is given by

$a_{rad}= \frac{v^2}{r}$
where

$v=r \omega$
then

$a_{rad}= \frac{r^2 \omega^2}{r}=r\omega^2$

Now

$70\omega^2=3.90 \frac{m}{s^2} \\ \\ \omega= \sqrt{ \frac{3.9}{70} }$

Using the relation

$\omega=2 \pi f$

$2 \pi f= \sqrt{ \frac{3.9}{70} }\\ \\ f= \frac{1}{2 \pi}\sqrt{ \frac{3.9}{70} }Hz$

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3 years ago

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mel-nik [20]

Answer: 60

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