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mojhsa [17]
3 years ago
8

Rewrite the false statements correctly

Physics
1 answer:
FrozenT [24]3 years ago
5 0

Explanation:

1. if an object sjnks in one liquid and floats on another liquid it implies that the density of second liquid is greater than the density of first liquid

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Sound wave frequency difference
motikmotik
Are u trying to ask what the difference between a sound wave and a frequency is?
6 0
3 years ago
Name and describe the six layers of the sun, in order from innermost to outermost.
AlexFokin [52]
1.) core- the central region where nuclear reactions consume hydrogen to form helium

2.) radiative zone- the section of solar interior between the innermost core and the outer convective zone.

3.) convection zone- where light (photons) is created.

4.) photosphere- the visible surface of the sun that we are most familiar with

5.) chromosphere- second most outer layer of the sun. due to low density it is relatively transparent and only apparent during eclipses.

6.) corona- an aura of plasma that surrounds the sun and other stars but is usually hidden by the bright light of the sun’s surface.
4 0
3 years ago
A 230.-mL sample of a 0.240 M solution is left on a hot plate overnight; the following morning, the solution is 1.75 M. What vol
Gwar [14]

Answer:

The volume of water evaporated is 199mL

Explanation:

Concentration is calculated with the following formula

C=\frac{n}{V}

where n is the number of moles of solute and V is the volume of the solution (in this case is the same as the solvent volume) in liters.

So we isolate the variable n to know the amount of moles, using the volume given in liters

230mL=0.23L

n=C*V=0.240 M*0.23L=0.055 mol

Now, we isolate the variable V to know the new volume with the new concentration given.

V=\frac{n}{C} =0.055mol/1.75M=0.031L=31mL

Finally, the volume of water evaporated is the difference between initial and final volume.

V_{ev}= V_{i} -V_{f} =230mL-31mL=199mL

4 0
3 years ago
What is the frequency of a wave that has a wavelength of 0.39 m and a speed
gogolik [260]

Answer:

<h3>The answer is option B</h3>

Explanation:

The frequency of a wave can be found by using the formula

f =  \frac{c}{ \lambda}  \\

where

c is the velocity

From the question

wavelength = 0.39 m

c = 86 m/s

We have

f =  \frac{86}{0.39}  \\  = 220.512820...

We have the final answer as

<h3>200 Hz</h3>

Hope this helps you

7 0
4 years ago
Могут ли быть сообщающиеся сосуды неодинаковы пр своей форме
Rudik [331]

Answer:

no

Explanation:

they cannot because they contain the same amount of liquid

8 0
3 years ago
Read 2 more answers
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