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3 years ago

9

How can you use climatograph in a sentence? How can you use ecozone in a sentence?

1 answer:

Sav [38]3 years ago

5 0

Ecozone<span> is the broadest biogeographic division of the Earth's land surface, based on distributional patterns of terrestrial organisms.</span> A climatograph<span> is used to show the precipitation and the temperature of a region.
</span>

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Effieiency of simple machine is always less than 100% why

zysi [14]

Answer:

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Explanation:

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3 years ago

What determines how much induced current will flow through a conductor?

Vitek1552 [10]

Answer:

Rate of change of magnetic flux

Explanation:

The induced current is equal to the ratio of induced emf to the resistance of the conductor.

According to the Faraday's law of electromagnetic induction, the induced emf is proportional to the rate of change of magnetic flux.

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2 years ago

Shalnov [3]

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Explanation:

We will use the KE equation you wrote here and fill in what we are given:

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3 years ago

SO MANY POINTS! WILL MARK BRAINIEST!!!! PLZ BE FASSTT!

lora16 [44]

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3 years ago

An electron in a cathode-ray beam passes between 2.5cm long parallel-plate electrodes that are 6.0mm apart. A 2.1mT, 2.5-cm-wide

Dmitry_Shevchenko [17]

Answer:

(a). The speed of electron is $1.56\times10^{7}\ m/s$ .

(b). The radius of electron is $4.2\ cm$

Explanation:

Given that,

Length = 2.5 cm

Distance = 6.0 mm

Magnetic field = 2.1 T

Potential difference = 700 V

(a). We need to calculate the electron's speed

Using formula of speed

$v=\sqrt{\dfrac{2eV}{m}}$

Put the value into the formula

$v=\sqrt{\dfrac{2\times1.6\times10^{-19}\times700}{9.1\times10^{-31}}}$

$v=15689290.81\ m/s$

$v=1.56\times10^{7}\ m/s$

(b). We need to calculate the radius of electron

Using formula of centripetal force

$\dfrac{mv^2}{r}=qvB$

$r=\dfrac{mv}{qB}$

Where,

m = mass of electron

v = speed of electron

r = radius

q = charge of electron

B = magnetic field

Put the value into the formula

$r=\dfrac{9.1\times10^{-31}\times1.56\times10^{7}}{1.6\times10^{-19}\times2.1\times10^{-3}}$

$r=0.042\ m$

$r=4.2\ cm$

Hence, (a). The speed of electron is $1.56\times10^{7}\ m/s$ .

(b). The radius of electron is 4.2 cm

8 0

3 years ago