3 years ago

How does the theory of plate tectonics support the theory of seafood spreading?

Physics

1 answer:

Zanzabum3 years ago

3 0

When two tectonic plates move in opposite directions, it causes magma to rise, creating a new seafloor.

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A 300W hot plate produces 45,000 J of thermal energy while operating for 2 min. What is the efficiency of this devide? it need t

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Answer:

Explanation: P = 300 W and t = 2 min = 120 s

Energy Q = Pt = 300 W · 120 s = 36 000 J.

Thus, plate can not produce 45 000 J heat.

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3 years ago

Why do ions stick together?

melisa1 [442]

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3 years ago

In an LC circuit containing a 40-mH ideal inductor and a 1.2-mF capacitor, the maximum charge on the capacitor is 45mC during os

GalinKa [24]

Answer:

E) 6.5 A

Explanation:

Given that

L = 40 m H

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Maximum charge on capacitor ,Q= 45 m C

The maximum current I given as

I = Q.ω

ω =angular frequency

$\omega=\dfrac{1}{\sqrt{CL}}$

By putting the values

$\omega=\dfrac{1}{\sqrt{CL}}$

$\omega=\dfrac{1}{\sqrt{40\times 10^{-3}\times 1.2 \times 10^{-3}}}$

ω = 144.33 rad⁻¹

Maximum current

I = 45 x 10⁻³ x 144.33 A

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I = 6.5 A

E) 6.5 A

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Explanation:

Easy converting.

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A propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other. It

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