2 years ago

Lakes

Physics

1 answer:

Nataliya [291]2 years ago

6 0

I think is between A&B
I think I would answer B

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The density of nuclear matter is about 1018 kg/m3. Given that 1 mL is equal in volume to 1 cm3, what is the density of nuclear m

Sonbull [250]

Answer:

density is $10^{6}$ Mg/µL

Explanation:

given data

density of nuclear = $10^{18}$ kg/m³

1 ml = 1 cm³

to find out

density of nuclear matter in Mg/µL

solution

we know here

1 Mg = 1000 kg

1 m³ is equal to $10^{6}$ cm³

and here 1 cm³ is equal to 1 mL

so we can say 1 mL is equal to 10³ µL

so by these we can convert density

density = $10^{18}$ kg/m³

density = $10^{18}$ kg/m³ × $\frac{10^{-3} }{10^{6} }$ Mg/µL

density = $10^{6}$ Mg/µL

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How many ohms of resistance must be present in a circuit that has 50 volts and a current of 2 amps.

Lady_Fox [76]

Answer:

25 ohms

Explanation:

Hi there!

Ohm's law states that $V=IR$ where V is voltage, I is current and R is resistance.

Plug the given information into Ohm's law (V=50, I=2) and solve for R

$V=IR\\50=2R$

Divide both sides by 2 to isolate R

$\frac{50}{2}= \frac{2R}{2} \\25=R$

Therefore, there are 25 ohms of resistance present in this circuit.

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