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Anastasy [175]
4 years ago
12

Need help now due in 5 minutes

Physics
1 answer:
rjkz [21]4 years ago
6 0

Answer:

I'm positive it's the last one

Explanation:

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You observe a distant galaxy. you find that a spectral line normally found in the visible part of the spectrum is shifted toward
MrRissso [65]
The galaxy is moving away from you.

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3 years ago
9- Un auto <br> Recorre 500m en 4 segundos, calcula la velocidad promedio.
Brut [27]

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Is this Spanish?

Explanation:

7 0
3 years ago
An electron has a mass of 9.1x10-31 kg. What is its momentum if it is travelling at a speed of 3.5x106 m/s?
galben [10]

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3.19*10^-24

Explanation:

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3 years ago
What are 5 reasons to be against Nuclear Power?
emmasim [6.3K]

Well, my 5 reasons would be:

The risk factor. The risk of nuclear power would be INSANE, if we had nukes packed in the backs of our cars and got in a car crash, let's just say we wouldn't have roads after that accident.

Nuclear waste. The waste caused by nuclear is outrageous, it stays for hundreds of thousands of years, and we already dump 2,000 metric tons of nuclear waste per year already, if we had a community based on nuclear, it'd be terrible.

The cost would be tremendous, you would have to build tons of sites, hire probably a new military just for it, scientists, everything would make the cost tremendous.

The foreign risk. Think of all the people who walk into America ( terrorists ) and say "Imma' go blast myself a couple o' Americans". Terrorists would have even more reasons to raid areas for Uranium for the money or to build a bomb, if we got one hit with all the plants we would need, it'd probably cause a very large chain reaction destroying part of our country.

Nuclear radiation. If we have nuclear  everything everywhere, how are we gonna protect ourselves from the radiation? We gonna go to work in hazmat suits?

Those are my five reasons, hope it helps, if not, comment below please!!!!

6 0
3 years ago
Determine the inductive reactance for a 50 mH inductor that is across a 15 volt, 400 Hz source.
tresset_1 [31]

Answer:

Inductive reactance is 125.7 Ω

Explanation:

It is given that,

Inductance, L=50\ mH=0.05\ H

Voltage source, V = 15 volt

Frequency, f = 400 Hz

The inductive reactance of the circuit is equivalent to the impedance. It opposes the flow of electric current throughout the circuit. It is given by :

X_L=2\pi fL

X_L=2\pi \times 400\ Hz\times 0.05\ H

X_L=125.66\ \Omega

X_L=125.7\ \Omega

So, the inductive reactance is 125.7 Ω. Hence, this is the required solution.

8 0
3 years ago
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