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4 years ago

How does the respiratory system interact with the circulatory system?

Physics

1 answer:

galben [10]4 years ago

6 0

Answer:

D. The circulatory system transports oxygen that the respiratory system brings into the body.

Explanation:

the first two answers either refer to carbon dioxide as beneficial and necessary to the body(it sometimes is but not in this case)

the answer choice c refers to oxygen being transferred directly to the heart. This is also incorrect.

the only proper answer to this question is answer choice d.

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A doubly ionized molecule (i.e., a molecule lacking two electrons) moving in a magnetic field experiences a magnetic force of 5.

Kobotan [32]

Explanation:

The given data is as follows.

F = $5.75 \times 10^{-16} N$

q = $1.6 \times 10^{-19} C$

v = 385 m/s

$sin (63.9^{o})$ = 0.876

Now, we will calculate the magnitude of magnetic field as follows.

B = $\frac{F}{qv sin (\theta)}$

= $\frac{5.75 \times 10^{-16} N}{1.6 \times 10^{-19} C \times 385 m/s \times 0.876}$

= $0.01065 \times 10^{3}$ T

= 10.65 T

Thus, we can conclude that magnitude of the magnetic field is 10.65 T.

4 0

3 years ago

Warm air rises because it has less ___________.

REY [17]

Answer:

because it is less dense than the surrounding air

Explanation:

5 0

3 years ago

Determine the acceleration of a raptor that reaches 25 m/s from rest in 6.5 s.

REY [17]

Answer:

3.8 m/s²

Explanation:

Average acceleration is the change in velocity over change in time.

a = Δv / Δt

a = (25 m/s − 0 m/s) / 6.5 s

a ≈ 3.8 m/s²

8 0

4 years ago

1. from an origin you walk 3 meters East, 7 meters West, and then 6 meters East. Where are you now related to the origin

Svetradugi [14.3K]

from you west is + east is -

-3+7-6=-2

2m east

8 0

4 years ago

The photons of different light waves:

jeka94

Answer:

(C)

Explanation:

Because the photons being different makes them have different amounts of energy, they both with have a precise and different energy from each other.

5 0

3 years ago