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Brums [2.3K]
3 years ago
9

Imagine you are digging a hole to the center of the earth. In which order would dig through them?

Physics
1 answer:
Inessa [10]3 years ago
6 0
B you wold go from the crust all the way to the inner core
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Difference between inverted and upright microscope
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An Inverted Microscope gives you more freedom than an upright microscope. Inverted microscopes are very useful to examine the surface of heavy and large sized Items for industrial purposes. Whereas <span>upright microscopes have very limited distance between the table and the objective.</span>
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When determining the number of significant digits in a measurement,
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B) All nonzero digits are significant.
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When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?
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Seasonal changes in water temperature tend to remain within a narrow range. This is opposed to air temperature, which tends to f
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Usually wire resistance can be neglected. But we see the effect of it sometimes when a light dims as another high-current device
tangare [24]

Please find the figure attached below:

Answer:

a.Resistance of bulb=R_{2}=192 ohm

b.power consumed by bulb after motor disconnection=74.609 W

Explanation:

<u>a.Resistance of bulb=</u>R_{2}<u>=?</u>

As we know that P=\frac{P^{2} }{R}

putting R as resistance of bulb i.e. R=R_{2}

P=\frac{V^{2}}{R_{2} }\\R_{2}=\frac{V^{2}}{P} \\ R_{2}=\frac{(120)^{2} }{75}\\ R_{2}=192ohm

<u>b.power consumed by bulb after motor disconnection? </u>

from the figure we see that R_{1}\ and\ R_{2} are in series so

R_{eq}=R_{1} +R_{2} \\R_{eq}=192+0.5\\R_{eq}=192.5ohm

current through their resistance is

I_{eq}=\frac{V}{R_{eq} }\\ I_{eq}=\frac{120}{192.5 } \\I_{eq}=0.6233A

Power consumed by bulb is

P_{b} =I^{2}R\\\\ P_{b} =(0.6233)^{2}(192)\\\\P_{b} =74.609W

3 0
3 years ago
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