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miskamm [114]
3 years ago
6

Very short answer questions.

Physics
1 answer:
inysia [295]3 years ago
5 0

1:-A convex lens is a lens that converges rays of light that are travelling parallel to its principal axis.

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Why are there warnings about using your cell phone while pumping gas?
kompoz [17]

There are warnings about using your cell phone while pumping gas because cell phone batteries can explode.

<h3>What is pumping gas?</h3>

When the vehicle is not having enough fuel to drive more miles, it needs to be fueled by petrol, diesel or natural gas. This is called pumping gas.

According to the rules of National Fire Protection Association, No one is allowed to use any type of electronic items while pumping gas. So, the cell phone is not allowed.

Phones develop static charge. It is believed that cell phone batteries can explode while pumping gas. It would be a real danger.

Thus, there are warnings about using your cell phone while pumping gas because cell phone batteries can explode.

Learn more about pumping gas.

brainly.com/question/23210418

#SPJ4

4 0
2 years ago
i will give the brainliest answer to whoever answers this, explain how Sir William Gilbert used models in his investigation of m
levacccp [35]

Explanation:

Lodestone am iron were the only known magnetic materials in Gilbert's day, and his task was to investigate magnetism. Gilbert was so sure that the earth was a giant lodestone and used the earth as a primary reference, defining the north(magnetic) pole of a needle, or a a nail floating on a piece of cork, to be that which turns towards the Earth's north geographic pole. he wanted to prove this with a model Terella, using short pieces of iron.

7 0
3 years ago
Calculate the total mass of these letters in grams (mxe=131.29amu)
Lady_Fox [76]
We know avogadro's number = 6.023 x 10²³
1 amu = 1 atomic mass unit = 1/ (6.023 x 10²³) gm = 1.66 x 10⁻²⁴grams
<span>Now, to convert amu to grams,
 131.29 amu = 131.29 x 1.66 x 10</span>⁻²⁴grams
<span>= 2.18 x 10</span>⁻²²<span> grams is the answer</span>
4 0
4 years ago
Read 2 more answers
The lonely deer was quietly nibbling grass. What type of level of organization would this be?Organism,Population,Community,Ecosy
Tresset [83]
It would be biome hope it helps


4 0
3 years ago
Which two technologies use the same range of radio wave frequencies? television broadcasting and AM radio broadcasting cell phon
Tju [1.3M]
Let us reject some answers. AM and FM radio waves do not interfere. Am are an orders of magnitude larger than FM waves. FM waves belong to microwaves, a subcategory of radiowaves while AM does not. Similarly, AM  and TV have not the same, because TV uses a subset of the frequencies used in FM. The correct answe is that CB radios and submarine communication happen at the same wavelengths/frequencies, namely low frequency radiowaves.
4 0
3 years ago
Read 2 more answers
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