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Harrizon [31]
2 years ago
11

The equation for density is mass divivded by volume.an increase in denstiy can result from all of following expect??

Physics
1 answer:
sineoko [7]2 years ago
4 0
It would be option A (a decrease in mass with an increase in volume)
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Two light bulbs have resistances of 400 Ω and 800 ΩThe two light bulbs are connected in series across a 120- V line. Find the cu
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R_{eq}=R_1 + R_2 = 400 \Omega + 800 \Omega=1200 \Omega

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I=\frac{V}{R_{eq}}=\frac{120 V}{1200 \Omega}=0.1 A

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For the second bulb:

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2 years ago
An electron with charge −e and mass m moves in a circular orbit of radius r around a nucleus of charge Ze, where Z is the atomic
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Answer:

v=\sqrt{\frac{kZe^2}{mr}}

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F=k\frac{(e)(Ze)}{r^2}=k\frac{Ze^2}{r^2} (1)

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This electrostatic attraction provides the centripetal force that keeps the electron in circular motion, which is given by:

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v=\sqrt{\frac{kZe^2}{mr}}

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