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3 years ago

Digitized information can be used by computers true or false

Physics

2 answers:

Slav-nsk [51]3 years ago

8 0

It is true that digitized information is used by computers

I am Lyosha [343]3 years ago

4 0

The answer to your question is True.
Thus, digitized information can be used by computers.

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Sand is pouring out of a pipe and is forming a conical pile on the ground. The radius of the pile is increasing at a rate of 2 f

Anton [14]

Answer:

$a)\ V=3053.628059 \ ft^3$

$b)\ V'=1017.876\ ft^3/day$

Explanation:

<u>Rate of Change</u>

The volume of a cone of radius r and height h is given by

$\displaystyle V=\frac{\pi r^2h}{3}$

The height is said to be 1/2 of the radius, thus

$\displaystyle V=\frac{\pi r^2\cdot r}{2\cdot 3}$

$\displaystyle V=\frac{\pi r^3}{6}$

a) Knowing r=18 feet, the volume is

$\displaystyle V=\frac{\pi 18^3}{6}$

$V=3053.628059 \ ft^3$

b) The rate of change of the volume is computed by taking the derivative of both sides respect to the time

$\displaystyle V'=3\frac{\pi r^2}{6}r'$

$\displaystyle V'=\frac{\pi r^2}{2}r'$

Where r' is the given rate of change of the radius: 2 feet/day.

Now we compute

$\displaystyle V'=\frac{\pi 18^2}{2}\cdot 2=1017.876$

$\boxed{V'=1017.876\ ft^3/day}$

6 0

3 years ago

Which is the most accurate description of the plasma state of matter? A. It has a fixed volume. B. Its shape is not fixed. C. It

anastassius [24]

Answer:

Its shape is not fixed

Explanation:

Plasma is sometimes a subset of gases, whereas it is also a state of matter.

These two states are different.

No fixed shape for plasmas, no fixed volume.

Compared to solids and liquids plasmas are less dense.

Atoms are used in the making of Plasma.

In plasma state ions are the positively charged nuclei

When they gain or lose electrons these atoms and molecules acquire a positive or negative electrical charge, process is called ionization.

8 0

3 years ago

The temperature of 2.0 g of helium is increased at constant volume by ΔT. What mass of oxygen can have its temperature increased

gavmur [86]

Answer:

m = 9.6 g

Explanation:

Thermal energy given to helium gas at constant volume is given as

$Q = nC_v \Delta T$

so here we have

$C_v = \frac{3}{2}R$

$n = moles$

$n = \frac{2}{4} = 0.5$

so we have

$Q = \frac{3}{2}R(0.5)\Delta T$

now we know that

for oxygen gas we have

$C_v = \frac{5}{2}R$

for same amount of heat we have

$Q = nC_v \Delta T'$

$\frac{3}{2}R(0.5)\Delta T = \frac{m}{32} (\frac{5R}{2}) \Delta T$

$m = \frac{0.75 \times 32}{2.5}$

$m = 9.6 g$

8 0

3 years ago

Which one of the following parenting factors is associated with improved IQ scores in children?

lapo4ka [179]

I would say B. A stable home and varied activities

5 0

3 years ago

View this and help out??

Zina [86]

I would say b as well. I’m sorry if it’s wrong

5 0

3 years ago