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olganol [36]
3 years ago
11

Which of the following statements is true regarding the use of refrigerants?

Physics
2 answers:
Damm [24]3 years ago
5 0
B.

Refrigerants should be handled using approved equipment only.
Mandarinka [93]3 years ago
4 0
<h2>Use of Refrigerant - Option B </h2>

Recover and recycle refrigerant using epa-approved equipment. Refrigerants must be examined by utilizing just guaranteed material. A refrigerant is a thing or blend which is generally a liquid that utilized in a warmth pump and preservation period.

In most periods, it supports phase transformations from a liquid to a gas and repeated. Several moving liquids have been utilized for such goals.

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8 0
3 years ago
A kangaroo jumps straight up to a vertical height of 1.45 m. How long was it in the air before returning to Earth?
dexar [7]

Answer:

1.08 s

Explanation:

From the question given above, the following data were obtained:

Height (h) reached = 1.45 m

Time of flight (T) =?

Next, we shall determine the time taken for the kangaroo to return from the height of 1.45 m. This can be obtained as follow:

Height (h) = 1.45 m

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) =?

h = ½gt²

1.45 = ½ × 9.8 × t²

1.45 = 4.9 × t²

Divide both side by 4.9

t² = 1.45/4.9

Take the square root of both side

t = √(1.45/4.9)

t = 0.54 s

Note: the time taken to fall from the height(1.45m) is the same as the time taken for the kangaroo to get to the height(1.45 m).

Finally, we shall determine the total time spent by the kangaroo before returning to the earth. This can be obtained as follow:

Time (t) taken to reach the height = 0.54 s

Time of flight (T) =?

T = 2t

T = 2 × 0.54

T = 1.08 s

Therefore, it will take the kangaroo 1.08 s to return to the earth.

3 0
2 years ago
express each of the following aa indicated a. 2 dm expressed in millimeter b. 2h 10min expessed in sec c. 16g expressed in centi
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Who would win Goku Mastered Ultra Instinct 3 Kaioken X20 (And can withstand the power strain) or Shaggy using 10% of his power?
alexgriva [62]

Answer:

goku

Explanation:

i just guessed

6 0
2 years ago
Read 2 more answers
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