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balandron [24]
3 years ago
6

Choose all the answers that apply. Oxygen is _____. transported by blood picked up in the alveoli released into the air by the l

ungs pumped to cells by ventricles
Physics
2 answers:
aleksklad [387]3 years ago
4 0
ANSWER:

- Transported by blood picked up in the alveoli
- Pumped to cells by ventricles

Hope this helps! :)
amid [387]3 years ago
4 0

Answer:

The correct answer will be options-

1. transported by blood

2. picked up in the alveoli

3. pumped to cells by ventricles

Explanation:

Oxygen is an important element on earth on which life is dependent as it is the substrate of the important metabolic process of life.

The Oxygen in humans is inhaled and exhaled by breathing which when inhaled gets picked up or exchanged with the connective tissue of the body called blood in the alveoli of the lungs.

The oxygen in the blood is pumped to the body cells by the left ventricle of the heart which along with blood transports the oxygen by binding to haemoglobin in red blood cells.

Thus, the selected option is the correct answer.

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What average power must be supplied to the rope to generate sinusoidal waves that have amplitude 0.200 m and wavelength 0.600 m
pychu [463]

Complete question:

A taut rope has a mass of 0.123 kg and a length of 3.54 m. What average power must be supplied to the rope to generate sinusoidal waves that have amplitude 0.200 m and wavelength 0.600 m if the waves are to travel at 28.0 m/s ?

Answer:

The average power supplied to the rope to generate sinusoidal waves is 1676.159 watts.

Explanation:

Velocity = Frequency  X wavelength

V = Fλ ⇒ F = V/λ

F = 28/0.6 = 46.67 Hz

Angular frequency (ω) = 2πF = 2π (46.67) = 93.34π rad/s

Average power supplied to the rope will be calculated as follows

P_{avg} =\frac{1}{2} \mu \omega^2 A^2 V

where;

ω is the angular frequency

A is the amplitude

V is the velocity

μ is mass per unit length = 0.123/3.54 = 0.0348 kg/m

P_{avg} =\frac{1}{2} ( 0.0348)(93.34 \pi )^2 (0.2)^2 (28) = 1676.159 watts

The average power supplied to the rope to generate sinusoidal waves is 1676.159 watts.

6 0
3 years ago
An ideal spring is fixed at one end. A variable force F pulls on the spring. When the magnitude of F reaches a value of 49.8 N,
tatiyna

Answer:

W = 7.06 J

Explanation:

From the given information the spring constant 'k' can be calculated using the Hooke's Law.

F = kx\\49.8 = k(0.181)\\k = 275.13~N/m

Now, using this spring constant the additional work required by F to stretch the spring can be found.

The work energy theorem tells us that the work done on the spring is equal to the change in the energy. Therefore,

W = U_2 - U_1\\W = \frac{1}{2}kx_2^2 - \frac{1}{2}kx_1^2 = \frac{1}{2}(275.13)[0.29^2 - 0.18^2] = 7.06~J

6 0
3 years ago
Which change will always result in an increase in the gravitational force between two objects?
Anika [276]
The change that will always result in an increase in the gravitational force between two objects is increasing the masses of the objects and decreasing the distance between the objects.
8 0
3 years ago
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What are two most important processes in the cycling of oxygen in and out of the atmosphere?
natulia [17]
Weathering and erosion
7 0
3 years ago
according to Newton's third law what is the equal and opposite force to the downward force of gravity pulling on a man standing
Fudgin [204]

When you're talking about gravity, it's easy to identify the equal
opposite forces.

Gravity ALWAYS produces an equal pair of opposite forces. 
They both act between the centers of the two objects, one in
each direction.

Consider the equal pair of opposite gravitational forces between
you and the Earth.  One force acts on you, and draws you toward
the center of the Earth.  We call that force "your weight". 
The other one acts on the Earth, and draws it toward the center
of you.  Hardly anybody ever talks about that one, but the two
forces are equal ... your weight on Earth is equal to the Earth's
weight on you !

7 0
3 years ago
Read 2 more answers
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