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3 years ago

"5 N, up" is an example of a ___. OA) force OB) mass OC) weight OD) magnitude

Physics

1 answer:

Sunny_sXe [5.5K]3 years ago

5 0

Answer:

A) Force

Explanation:

It is an example of force since force is a vector quantity so it has magnitude and direction. In this case the magnitude is equal to 5 [N] and the direction is upward.

The weight can not be, as it always acts downward.

Mass is not a force, its unit is given usually in kilogram [kg]

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3 years ago

A sinusoidally oscillating current I ( t ) with an amplitude of 9.55 A and a frequency of 359 cycles per second is carried by a

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Answer:

$P_{avg} = 6.283*10^{-9} \ W$

Explanation:

Given that;

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f = 359 cycles/s

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a = 80.2 cm

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$\phi = \frac{\mu_o Ic }{2 \pi} In (\frac{b+a}{b})$

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$E_{rms} = \frac { {\frac{\mu_o \ c}{2 \pi} In (\frac{b+a}{a}) I_o (2 \pi f)}}{\sqrt{2}}$

Replacing our values into above equation; we have:

$E_{rms} = \frac { {\frac{4 \pi*10^{-7}*0.325}{2 \pi} In (\frac{72.2+80.2}{80.2}) *9.55 (2 \pi *359)}}{\sqrt{2}}$

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2 years ago

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