2 years ago

The scale on the horizontal line axis is 5s per division on the vertical axis 9 m per division

Physics

1 answer:

andrew11 [14]2 years ago

5 0

Questions deserve answers in their common format.

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The density of aluminum is 2.70 g/ml. A piece of aluminum foil has a mass of 44 g. What is the volume of this piece of aluminum

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Answer:

C) 16.3 ml

Explanation:

Density is equal to the ratio between the mass of an object and its volume:

$d=\frac{m}{V}$

where

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- mass of the aluminium foil: $m=44 g$

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2 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

C= 1.2 m F

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The maximum current I given as

I = Q.ω

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

By putting the values

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ω = 144.33 rad⁻¹

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I = 6.5 A

E) 6.5 A

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3 years ago