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Airida [17]
2 years ago
13

Which equation describes the sum of the vectors plotted below?

Physics
1 answer:
worty [1.4K]2 years ago
5 0

Answer:

It's the third one in the picture ...

r = 3x - 2y

Explanation:

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What is ther atomic number of an element that has 2 electrons, 3 protons,<br> and 4 neutrons?
Bingel [31]

Answer:

9

Explanation:

A atomic number is the addition of every number

8 0
3 years ago
An ice cream machine produced 44 ice creams per minute. After reconditioning, its speed increase to 55 ice creams per minute. By
Slav-nsk [51]

Answer:

an ice cream machine produced 44 ice cream per minute.

Now, after reconditioning it  speeds up to 55 ice cream per minute.

=> 55 - 44 = 11

=> 11 / 44 = 0.25

=> 0.25 * 100% = 25%.

thus it increased it production to 25%.

Explanation:

3 0
3 years ago
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One earth day equals 24 hours.
Artyom0805 [142]

Answer:

Correct, is there another part to the question?

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3 years ago
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Calculate the Latent Heat of Vaporization. (Please see picture attached)
Hunter-Best [27]

Answer:

20 J/g

Explanation:

In this question, we are required to determine the latent heat of vaporization

  • To answer the question, we need to ask ourselves the questions:

What is latent heat of vaporization?

  • It is the amount of heat required to change a substance from its liquid state to gaseous state without change in temperature.
  • It is the amount of heat absorbed by a substance as it boils.

How do we calculate the latent heat of vaporization?

  • Latent heat is calculated by dividing the amount of heat absorbed by the mass of the substance.

In this case;

  • Mass of the substance = 20 g
  • Heat absorbed as the substance boils is 400 J (1000 J - 600 J)

Thus,

Latent heat of vaporization = Quantity of Heat ÷ Mass

                                             = 400 Joules ÷ 20 g

                                             = 20 J/g

Thus, the latent heat of vaporization is 20 J/g

7 0
3 years ago
What do you think explains the pattern of planet density in the solar system
MrMuchimi

Answer:

If density is greater, the object sinks. Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water

Explanation:

5 0
2 years ago
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