3 years ago

True Or False for each question

Physics

1 answer:

Nana76 [90]3 years ago

6 0

7 true

8 false

9 false

10 false

11 false

12 true

13 true

hope this helps!

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Which is an example of an exothermic process?

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Answer:

i think answer is c

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as formation water from steam condensed release heat

else all need heat

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lood flows through a section of a horizontal artery that is partially blocked by a deposit along the artery wall. As a hemoglobi

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Answer:

$P_1 - P_2 =219.62\ Pa$

Explanation:

given,

density of blood = 1060 kg/m³

v₂ = 0.800 m/s

v₁ = 0.475 m/s

change in pressure calculation

using Bernoulli's equation

$P_1 +\dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho v_2^2$

both are at same level

$P_1 - P_2 =\dfrac{1}{2}\rho (v_2^2- v_1^2)$

$P_1 - P_2 =\dfrac{1}{2}1060\times (0.8^2- 0.475^2)$

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the change in pressure is equal to 219.62 Pa

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