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3 years ago

9

Which tower is more likely to fall?

2 answers:

shepuryov [24]3 years ago

6 0

I say B. only because its smaller in width and it has a better chance of falling

Tasya [4]3 years ago

4 0

If there is no difference in angles but one has more width - this one is more likely to fall.

<span>In physics, we use term "center of mass" (geometrical point). </span>
<span>The displacement of the center of mass from vertical line is higher => higher magnitude of net force => higher chance to fall.
</span>
I would say A :)

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Tom says that insulation keeps out the cold. Explain why this statement is incorrect. What should Tom have said?

Zina [86]

There is no such thing as"cold", in the same way that there is no such thing
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is the absence of sound, and "cold" is the absence of heat.

Tom should have said that insulation <em>keeps the heat in</em> .

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3 years ago

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An MRI scanner is based on a solenoid magnet that produces a large magnetic field. The magnetic field doesn't stop at the soleno

GaryK [48]

Answer:

The maximum change in flux is $\Delta \o = 0.1404 \ Wb$

The average induced emf $\epsilon =0.11232 V$

Explanation:

From the question we are told that

The speed of the technician is $v = 0.80 m/s$

The distance from the scanner is $d = 1.0m$

The initial magnetic field is $B_i = 0T$

The final magnetic field is $B_f = 6.0T$

The diameter of the loop is $D = 19cm = \frac{19}{100} = 0.19 m$

The area of the loop is mathematically represented as

$A = \pi [\frac{D}{2} ]^2$

$= 3.142 \frac{0.19}{2}$

$= 0.02834 m^2$

At maximum the change in magnetic field is mathematically represented as

$\Delta \o = (B_f - B_i)A$

=> $\Delta \o = (6 -0)(0.02834)$

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The average induced emf is mathematically represented as

$\epsilon = \Delta \o v$

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$\epsilon =0.11232 V$

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3 years ago

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OverLord2011 [107]

Answer:

200 m/s

Explanation:

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2 years ago

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zavuch27 [327]

Answer:

a.

Explanation:

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3 years ago

A brick is thrown from a wall that is 19.2 m above the ground and hits the ground 5.00 s later. What was the initial velocity of

Brums [2.3K]

Answer:

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3 years ago