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3 years ago

9

True or False: when measuring speed the distance must be considered to be rectilinear (in a line)

2 answers:

baherus [9]3 years ago

4 0

Answer:

I'm pretty sure it's False

Margaret [11]3 years ago

4 0

Answer:

I dont know if I'm correct but I have to go with False

Explanation:

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good morning to you all! can someone please answer this, ill give you brainliest and your earning 50 points.

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Despite the risks, Human populations can be found near volcanoes. This can be associated with the availability of which natural resource?

<em>Geothermal</em><em> </em><em>energy</em>

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7 0

2 years ago

Read 2 more answers

A transformer is to be used to provide power for a computer disk drive that needs 6.0 V (rms) instead of the 120 V (rms) from th

Ipatiy [6.2K]

Answer:

$N_{2}$ =20 turns

Explanation:

The given case is a step down transformer as we need to reduce 120 V to 6 V.

number of turns on primary coil N_{P}= 400

current delivered by secondary coil I_{S}= 500 mA

output voltage = 6 V (rms)

we know that

$I_{p}=\frac{V_{out}}{V_{in}\times I_{s}}$

putting values we get

$I_{p}=\frac{6}{120\times 0.5}$

$I_{p}= 0.1 A$

to calculate number of turns in secondary

$\frac{N_{2}}{400} =\frac{6}{120}$

therefore, $N_{2}$ =20 turns

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3 years ago

posledela

Low levels of fecal coliform

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3 years ago

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If a tank filled with water contains a block and the height of the water above point A within the block is 0.6 meter what’s the

LenaWriter [7]

The answer is C I believe

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3 years ago

Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.

BARSIC [14]

Answer:

Gases that are very good at absorbing long wave photons of infrared light

Explanation:

Green house gases examples are Carbon monoxide, nitric oxide etc.
These gases absorb long wave photons of infrared light of sun's rays
They melts the glaciers and increase the sea level .

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2 years ago