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Serggg [28]
2 years ago
8

SIEVERT (SV) IS THE PRODUCT OF ABSORBED DOSE AND RADIATION WEIGHTING FACTOR T True F False

Physics
1 answer:
Alla [95]2 years ago
4 0

Answer:

False

Explanation:

Sievert is the unit of dose equivalent

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Give two environmental effects of using wood as an energy resource.
vladimir2022 [97]

Answer:

Using wood also helps keep carbon out of the atmosphere, helping to mitigate climate change.

Deforestation.  

Explanation:

Trees store carbon dioxide as they grow. After harvest, wood products continue to store much of this carbon. These benefits continue when wood is reclaimed to manufacture other products.

Extraction of wood within the supply areas clearly affects the forest and the environment. Some of these impacts can be seen in the study areas. The rainfall is increasingly irregular, biodiversity has been lost. Communities have experienced flooding and drought, which adversely affects the most important sector in the country's economy, that of agriculture. The local populations are concerned about these impacts, which affect not only the environment but the whole social economy.

6 0
2 years ago
Read 2 more answers
A 3 kg toy car with a speed of 7 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 5 m/s.
Mademuasel [1]

Answers:

kinetic energy lost = 86.4J

Explanation:

let Kf be the kinetic energy after the collision and Ki be the kinetic energy before the collision. let the 3kg car be 1 and 2kg car be 2.

Kf = K1(f) + K2(f)

Ki = K1(i) + k2(i)

loss in kinetic energy = Kf - Ki

                                 = 1/2(3)(2.20)^2 + 1/2(2)(2.20)^2 - 1/2(3)(7)^2 - 1/2(2)(-5)^2

                                 = 12.1 - 98.5

                                 = -86.4 J

therefore, the kinetic energy lost in the collision is 86.4 J.

6 0
3 years ago
O que acontecerá ao rendimento de uma máquina térmica se a temperatura da fonte que emite calor for reduzida em relação á fonte
elixir [45]

Answer:

Nulo

Explanation:

Se o numero que aumenta for o mesmo que diminui, se torna nulo, pois nenhum passa a vencer o outro.

4 0
3 years ago
Why does gravity affect momentum?​
madam [21]

Answer:p Pulls down on the object changing inertia creating an affect in momentum

6 0
3 years ago
Angular velocity and linear velocity have the same dimensions. This statement is:
iragen [17]
I think it would be C: Sometimes true and sometimes false. It varies.

Hope this helped, have a great day! :D
5 0
3 years ago
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