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bekas [8.4K]
3 years ago
12

What happens when you boil seawater?

Physics
1 answer:
netineya [11]3 years ago
3 0

explaination:

Thermal distillation involves heat: Boiling water turns it into vapor—leaving the salt behind—that is collected and condensed back into water by cooling it down. ... Pumping this supersalty water back into the ocean can harm local aquatic life.

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A neutral solid metal sphere of radius 0.1 m is at the origin, polarized by a point charge of 2 × 10−8 C at location m. At locat
liraira [26]

Answer: E = 1.8 *10 ^{4} N

Explanation: The formulae for intensity of an electric field of a solid metal sphere relative to a point is given below

E =\frac{Kq}{r^{2} } r

where  k=9* 10^{9}N/m^{2}, q=2 *10 ^{-8} c , r = 0.1m r = is the position vector of the charge.

it has been stated in the question that the charge is placed at the center thus it has no position vector.

E=\frac{9 * 10^{9}* 2* 10^{-8}  }{0.1^{2} }\\ =\frac{18* 10^{1} }{0.01} \\=\frac{18* 10^{1} }{1 *10^{-2} } = 1.8*10^{4} N

6 0
2 years ago
Explain why you cannot use mass or volume alone to identify substances.
Alex17521 [72]
Objects can have the same mass (but different <span>compositions). Only mass or volume cannot tell you if the object is solid or vo</span>lumes) or same volume (but different masses) 

4 0
3 years ago
Which of these is a physical property?
Studentka2010 [4]
I think the answer is b. easy to digest.

C. and D. are chemical properties,
7 0
3 years ago
Who is the richest artist in the Gambia 2020​
Likurg_2 [28]

Answer:

Jaliba Kuyateh is the most famous and wealthiest Gambian musician.

7 0
3 years ago
If a person walks first 70 m in the direction 37° north of east, and then walks 82 m in the
timurjin [86]

Aster's final position from her initial position is 63 m approximately. She will head north west direction to return to her initial position

<h3>What is Displacement ?</h3>

Displacement is the distance travelled in a specific direction. It is a vector quantity.

Given that a person walks first 70 m in the direction 37° north of east, and then walks 82 m in the direction 20° south of east, and finally walks 28 m in the direction 30° west of north.

a) Let P be the Aster's final position from her initial position?

We can use bearing by using Cosine formula to solve this question.

P² = 70² + 82² - 2 × 70 × 82 cos 73

P² = 4900 + 6724 - 11480 cos 73

P² = 11624 - 3356.43

P² = 8267.57

P = √8267.57

P = 90.9 m

P = 90.9 - 28

P = 62.9 m

We can get the angle by using Sine rule

82/ sin Ф = 90.9 / sin 73

sin Ф = 0.8627

Ф = Sin^{-1} (0.8627)

Ф = 59.6°

Ф = 60°

b)  She will head north west direction to return to her initial position

Learn more about Displacement here: brainly.com/question/2109763

#SPJ1

3 0
1 year ago
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