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jarptica [38.1K]
4 years ago
9

Is nuclear power a good or a bad idea and y

Physics
2 answers:
Tanya [424]4 years ago
6 0
Nuclear power is a much cleaner and more efficient  way to get power than coal and much less expansive than solar or wind but it produces harmful wast and pollutes the air and has the chance for a nuclear melt down like in churnbyl
Sauron [17]4 years ago
6 0
Its a bad idea bad bad bad

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Which sequence occurs from fastest to slowest on the earth's surface?
SIZIF [17.4K]
The answer should be A.

Mountain formations tend to take thousands of years to form, lava rolls relatively slowly, and lightning can travel faster than rockets. 

Hope this helped!
3 0
3 years ago
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A 20.0 F capacitor initially charged to 30.0 uC is discharged through a 3.00 k resistor. How long does it take to reduce the cap
Maslowich

Answer:

t = 0.04159 s

Explanation:

when a capacitor and resister are connected in series. charge on its plates decreases exponentially

q = qo * e^{\frac{-t}{RC}}

where,

CHARGE q  =15.0 C

INITIAL CHARGE q_0 = 30.0 uc

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capacitor C  = 3.00

15 = 30* e^{\frac{- t}{(20* 10^{-6} * 3* 1000)}

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3 0
4 years ago
Find the orbital period (in years) of an asteroid whose average distance from the sun is 27
dmitriy555 [2]
Using Kepler's third law which is defined as the square of the average distance is directly proportional to the cube of the period. It is expressed as P^2 = a^3, Given that the a = average distance is given, the period would be much easier to compute. P = sqrt(27^3) = 140
7 0
4 years ago
A ball is kicked horizontally from a 60 meter tall cliff at 10 m/s. How far from
o-na [289]

Hi there!

We can begin by deriving the equation for how long the ball takes to reach the bottom of the cliff.

\large\boxed{\Delta d = v_it+ \frac{1}{2}at^2}}

There is NO initial vertical velocity, so:

\large\boxed{\Delta d= \frac{1}{2}at^2}}

Rearrange to solve for time:

2\Delta d = at^2\\\\t = \sqrt{\frac{2\Delta d}{g}}

Plug in the given height and acceleration due to gravity (g ≈ 9.8 m/s²)

t = \sqrt{\frac{2(60)}{(9.8)}} = 3.5 s

Now, use the following for finding the HORIZONTAL distance using its horizontal velocity:

\large\boxed{d_x = vt}\\\\d_x = 10(3.5) = \karge\boxed{35 m}

6 0
3 years ago
What does the bohr model look like?
sergeinik [125]
Pic of Bohr Model attached

7 0
4 years ago
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