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Degger [83]
3 years ago
11

Why are special techniques and extinguishing agents are required to fight combustible metals fires?

Physics
1 answer:
d1i1m1o1n [39]3 years ago
7 0
Cucucicicicivigovogovphphpbpb
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Why are Mars and Europa the top targets for the study of astrobiology?
alexira [117]

Answer:

The natural satelite Europa and the planet Mars are the two rock systems more likely to earth on their conditions all about solar system. Europa has a huge liquid water ocean and temperature is pretty similar to earth, Mars also has water but it's in solid state and the temperature also is good, not during the nights but still is good enough.

7 0
3 years ago
Can someone help me? My homework is due on Friday and I really need help. Does the speedometer on a car give you the instantaneo
alexandr402 [8]

Answer:

  • "instantaneous"
  • sample the speed at regular intervals and compute the average
  • use more samples and/or more regular intervals and/or use a weighted sum that approximates the curve between readings.

Explanation:

A speedometer is designed to give an approximation of instantaneous speed. It is an average over a short time interval, typically less than a second or two.

__

If you have only the speedometer as reference, you need to write down its speed reading on several occasions, roughly equally-spaced in time. The average of these readings will be an approximation of your average speed.

To get a better average, shorten the intervals and make them more evenly-spaced. You can also compute various weighted averages of these speed readings.

5 0
4 years ago
What is the wavelength of microwaves with a frequency of 3x10^10 Hz?​
RUDIKE [14]

Answer:

0.01 m

Explanation:

Since the speed of light is 3.0×10^8 m/s

Use the equation,

Wavelength = speed ÷ frequency

Wavelength = 3.0×10^8 ÷ 3×10^10

Wavelength = 0.01m

5 0
3 years ago
Instructions: Select the correct answer.Why does air at 75% relative humidity and 30eC make your skin feel stickier than air at
antoniya [11.8K]
B............,.,,.............
4 0
3 years ago
Identify the energy transformations in the image below:
Masteriza [31]

Answer:

B. Chemical to Electrical to Radiant

Explanation:

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3 years ago
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