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3 years ago

Which is not an issue with waste from nuclear energy?

Physics

1 answer:

Sergeeva-Olga [200]3 years ago

3 0

Answer:

A) atmospheric pollutants. Nuclear power plants do not produce air pollution as carbon dioxide, sulfur dioxide.

Hope this helps!

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What do each of the variables mean ? <br> F=__________ m=_________<br>a=___________<br>

wariber [46]

Answer:

F = Force (Measured in Newtons, N), m = Mass (Measured in kilograms, kg), and a = acceleration (Measured in metres per second squared, $m/s^{2}$

Explanation:

This is Newton's Second Law!

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PLS mark as brainliest, hope this helps!

8 0

2 years ago

1. What is meant by half-life?

Bezzdna [24]

1. The time for a radioactive sample to reduce to half of its original mass.
4. 10% of 232 is 23.2 times 6 equals 139.2
68.9 x6 equals 413.4
5. 0.37kg
6. 2000 years
7. 6.84 seconds

8 0

3 years ago

A long ramp made of cast iron is sloped at a constant angle θ = 52.0∘ above the horizontal. Small blocks, each with mass 0.42 kg

dezoksy [38]

Answer:

For cast iron we have

$h = 0.92 m$

For copper

$h = 1.05 m$

For Lead

$h = 1.23 m$

For Zinc

$h = 2.43 m$

Explanation:

As we know that final speed of the block is calculated by work energy theorem

$W_f + W_g = \frac{1}{2}mv^2$

now we have

$-\mu_k mg cos\theta(\frac{h}{sin\theta}) + mgh = \frac{1}{2}mv^2$

now we have

$v^2 = 2gh - 2\mu_k g h cot\theta$

$v = \sqrt{2gh(1 - \mu_k cot\theta)}$

For cast iron we have

$4 = \sqrt{2(9.81)(h)(1 - 0.15cot52)}$

$h = 0.92 m$

For copper

$4 = \sqrt{2(9.81)(h)(1 - 0.29cot52)}$

$h = 1.05 m$

For Lead

$4 = \sqrt{2(9.81)(h)(1 - 0.43cot52)}$

$h = 1.23 m$

For Zinc

$4 = \sqrt{2(9.81)(h)(1 - 0.85cot52)}$

$h = 2.43 m$

4 0

3 years ago

"Influence" between bodies is reduced as the bodies are

azamat

Both particles and big objects will be influenced by each other less if they are moved further apart.

4 0

3 years ago

Read 2 more answers

What is the pressure exerted when a force of 20 N is applied to an object over an area of 2 m2 ?

IgorC [24]

(20 N)/(2 m²) = (20/2) N/m² = 10 Pa

_____

The pascal (Pa) is the derived SI unit of pressure equal to 1 N/m².

8 0

2 years ago