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3 years ago

NUCLEAR POWER PRODUCES LESS TOXIC SULFUR THAN COAL BURNING ELECTRICITY TRUE OR FALSE

Physics

2 answers:

konstantin123 [22]3 years ago

8 0

True because a nuclear power produces tons of high level radioactive waste that has to be disposed of carefully

ExtremeBDS [4]3 years ago

6 0

That's true. Nuclear power generation produces no sulfur at all.

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A 500 gram mass is connected to a spring and undergoing uniform circular motion. The radius is at 14.5 cm and the applied centri

swat32

To solve the problem it is necessary to apply the concepts related to the Centripetal Force.

By definition the centripetal force is given by

$F_c = \frac{mv^2}{R}$

Our values are defined by

$m=0.5Kg\\F_c = 5.88N \\R = 0.145m+1cm = 0.155m\\v = 1.31m/s$

Therefore replacing in the equation we have to,

$F_c = \frac{mv^2}{R}$

$5.88=\frac{0.5*v^2}{0.155}$

Re-arrange to find V,

$V=\sqrt{\frac{5.88*0.155}{0.5}}$

$V= 1.35m/s$

Therefore the expected velocity of the spinning mass at the new radius is 1.35m/s

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3 years ago

17. The four points built into the camera to ensure that each exposure can be oriented

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The diameter of the circle is 18 m. Eugene incorrectly says that the circumference of the circle is about 113.04 m. What mistake did Eugene make? Use 3.14 for pi.

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3 years ago

A hydrogen atom in the n=7 state decays to the n=4 state. what is the wavelength of the photon that the hydrogen atom emits? use

frez [133]

A hydrogen atom in the n=7 state decays to the n=4 state. The wavelength of the photon that the hydrogen atom emits is 4592.59nm.

The Energy of photon is the energy possessed by a photon when it moves from a high energy level to a low energy level. It emits a photon of a certain wavelength. The following relation can be used to find out the relation between the energy levels and the energy possessed:

E = 13.6 × Z² (1/n₂² - 1/n₁²) eV

where, n₁ is the initial energy level i.e. n₁ =7

n₂ is the higher energy level i.e. n₂ = 4

E is the energy possessed

Z is the atomic number, Z = 1 for H-atom

Subsituting in above equation,

E = 13.6 (1/16 - 1/49) eV

E = 0.27 eV

We know that,

E = hc / λ

where, h is Planck constant

c is speed of light

λ is wavelength

On subsituting,

0.27 eV = 1240/ λ

⇒ λ = 4592.59 nm

Hence, the wavelength of photon emitted by Hydrogen atom is 4592.59nm.

Learn more about Energy of Photon here, brainly.com/question/2393994

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2 years ago

A model shows a machine that works using electrical fields. What would this machine need for the electrical field to function pr

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at least two charged interacting parts

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3 years ago

What elements compose the stars and planets in the universe

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3 years ago