Change in volume = mass x coefficient of linear expansion x change in temperature
.002 x .0001802 x 30 = .000010812
initial volume + change in volume = Final volume
.002 + .000010812 = .002010812 m cubed
On top of this, HIV can even kill uninfected immune system cells, a phenomenon we are just beginning to understand. This is why HIV is named the “human immunodeficiency virus”. When the immune system is damaged, it is treacherously difficult for your body to fight against HIV or other opportunistic infections.
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Answer:
The angle between the two vectors is 60°
Explanation:
Let A and B represent the two vectors, we have;
Let = a, = b, and = c
We have by cosine rule
c² = a² + b² - 2 × a × b × cos(C)
Where, the angle "C", is the angle between the resultant of the two vectors, a and b and facing the resultant
Given that, a = b = c, we have;
a² = a² + a² - 2 × a × a × cos(C)
a² = 2·a² - 2 × a² × cos(C)
2 × a² × cos(C) = 2·a² - a²
cos(C) = a²/(2·a²) = 1/2
Therefore, angle ∠C = arccosine(1/2) = 60°
The angle between the two vectors = ∠C = 60°.
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Answer:
thermal and radiant
Explanation:
- thermal energy refers to the energy transmitted through heat
- radiant energy refers to the energy transmitted through electromagnetic radiation, such as light
When the person lights the match, the match produces both heat (thermal energy) and light (radiant energy), so the correct answer is
thermal and radiant