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Sophie [7]
3 years ago
13

6. how do the number of electrons flowing into a light bulb compare to the number of electrons flowing out of it?

Physics
1 answer:
N76 [4]3 years ago
5 0
If there's no leak in the bottom of the light bulb where electrons can
fall out onto the floor, and no magic electron generator inside the bulb
to create electrons out of thin air, then the number flowing in must be
the same as the number flowing out.
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An earth satellite travels in a circular orbit at 20,000 mph if the radius of the orbit is 4,300 mi what angular velocity is gen
Bumek [7]

Answer:

0.00129rad/s

Explanation:

The angular velocity is expressed as;

v = wr

w is the angular velocity

r is the radius

Given

v =  20,000 mph

r = 4300mi

Get w;

w = v/r

w = 20000* 0.44704/4300*1609.34

w = 8940.8/6,920,162

w = 0.00129rad/s

Hence the angular velocity generated is 0.00129rad/s

5 0
3 years ago
Which one will it be
liq [111]

Answer:

none

Explanation:

it's to high up to be affected by the gravity

3 0
3 years ago
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A 90 kg painter is standing on a horizontal wooden scaffolding of length 10 m, which is supported on each end by a rope. The pai
RSB [31]

Explanation:

For equilibrium, \sum M = 0.

So,   8 m \times mg - (10 m) T_{1} = 0

             T_{1} = \frac{8 \times mg}{10}

                        = \frac{8 \times 90 \times 9.8}{10}

                        = 705.6 N

Also, for equilibrium \sum F_{y} = 0

              T_{1} + T_{2} - mg = 0

or,         T_{2} = mg - T_{1}

                        = 90 \times 9.8 - 705.6

                        = 176.4 N

Thus, we can conclude that the tension in the first rope is 176.4 N.

8 0
4 years ago
Light would most likely be transmitted through A. A mirror B. A stone C. A leaf D. A window
ohaa [14]
A window is the most transparent object from these, so that is the answer.
7 0
4 years ago
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If element X has 99 protons, how many elctrons does it have?
slega [8]
It has 99 electrons because an element has the same number of protons and electrons
7 0
4 years ago
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