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3 years ago

There are many risks associated with nuclear power. Which is NOT a risk associated with nuclear power?

Physics

2 answers:

andrew11 [14]3 years ago

6 0

1. I think is letter b.
2. I thinks it's letter c.

Fantom [35]3 years ago

3 0

Renewable energy source

Radioactive Decay

Hope it helps.

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A horizontal 791-N merry-go-round is a solid disk of radius 1.56 m and is started from rest by a constant horizontal force of 49

ICE Princess25 [194]

Answer:

$K.E=273.5J$

Explanation:

Given data

$F_{g}=791N\\F_{h}=49N\\r=1.56m\\t=3.03s$

To find

Kinetic Energy

Solution

The moment of inertia is given as:

$I=(\frac{1}{2} )MR^2\\I=\frac{1}{2}(F_{g}/g)R^2\\ I=\frac{1}{2}(\frac{791N}{9.8m/s^2} )(1.56m)^2\\ I=98.21kg.m^2$

The angular acceleration is given as:

$\alpha =\frac{T}{I}\\\alpha =\frac{F_{y}R}{I}\\ \alpha =\frac{(49N)(1.56m)}{98.2kg.m^2}\\\alpha =0.778rad/s^2$

Now the angular velocity is given by:

$w=\alpha t\\w=(0.778rad/s^2)(3.03s)\\w=2.36rad/s$

So the kinetic energy given as:

$K.E=(\frac{1}{2} )Iw^2\\K.E=\frac{1}{2}(98.21kg.m^2)(2.36rad/s)^2\\ K.E=273.5J$

8 0

3 years ago

An object of mass 0.50 kg is transported to the surface of Planet X where the object's weight is measured to be 20 N. The radius

vovangra [49]

Explanation:

The free fall acceleration is:

F = ma

20 N = (0.50 kg) a

a = 40 m/s²

The mass of Planet X is:

F = GMm / r²

20 N = (6.67×10⁻¹¹ Nm²/kg²) M (0.50 kg) / (4.0×10⁶ m)²

M = 9.6×10²⁴ kg

5 0

3 years ago

Resistance in wires causes which of the following to occur?

Natasha_Volkova [10]

Resistance in wires causes thermal energy. The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

3 0

3 years ago

Read 2 more answers

Could you sky-dive on the Moon? Why or why not?

Goshia [24]

Answer:

Explanation:

the moon's force of gravity is not strong enough to pull you down compared to earth, so you will just float

5 0

2 years ago

What is the effect of temperature on the solubility of a solid in a liquid? Check all correct elements that you included in your

Naddik [55]

Answer:

materials: solid dissolved in a liquid

independent variable: temperature

Explanation:

I got it right

6 0

3 years ago