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3 years ago

Which map would be most likely to cause the National Weather Service to issue a weather warning for Florida?

Physics

2 answers:

Lana71 [14]3 years ago

6 0

It's the third one

100%

sukhopar [10]3 years ago

4 0

Answer: Option (3)

Explanation: The third map is the most appropriate one that shows the places that are least likely and more likely to be affected by a an extreme weather condition such as a tornado or a hurricane.

In this map, the direction of motion of a tornado or hurricane is predictable and can make those people living at the coastal areas of Florida aware, so that they can be evacuated and shift to a safer place.

Thus, this map would be more favorable to issue a warning regarding the weather condition,to the people of Florida by the National Weather Service (NWS).

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The answer is
B) Apparent

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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

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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

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2 years ago

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spin [16.1K]

I think d because they are both increasing

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