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Aleksandr [31]
3 years ago
10

The mineral needed in blood is. 1.iodine 2.oxygen 3.iron 4.soduim 5.hemoglobin

Physics
2 answers:
vitfil [10]3 years ago
6 0
The mineral needed in blood is 3) Iron, if you don't have enough iron you're heart doesn't pump as much as it's supposed to be, it happened to my mom
ollegr [7]3 years ago
6 0
The answer is IRON :) 
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A ball of mass 1.6 kg is attached to the end of a massless string. A circus clown twirls the
erik [133]

Compute the ball's angular speed <em>v</em> :

<em>v</em> = (1 rev) / (2.3 s) • (2<em>π</em> • 180 cm/rev) • (1/100 m/cm) ≈ 4.917 m/s

Use this to find the magnitude of the radial acceleration <em>a</em> :

<em>a</em> = <em>v </em>²/<em>R</em>

where <em>R</em> is the radius of the circular path. We get

<em>a</em> = <em>v</em> ² / (180 cm) = <em>v</em> ² / (1.8 m) ≈ 13.43 m/s²

The only force acting on the ball in the plane parallel to the circular path is the tension force. By Newton's second law, the net force acting on the ball has magnitude

∑ <em>F</em> = <em>m</em> <em>a</em>

where <em>m</em> is the mass of the ball. So, if <em>t</em> denotes the magnitude of the tension force, then

<em>t</em> = (1.6 kg) (13.43 m/s²) ≈ 21 N

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Three forces with magnitudes of 95 pounds, 75 pounds, and 146 pounds act on an object at angles 100°, 200°, and 300°, respective
VladimirAG [237]

Answer:

Explanation:

We shall represent all the forces in vector form .

Force of 95 pounds

F₁ = 95cos100 i + 95sin100j

= -16.5 i +93.55 j

force of 75 pounds

F₂ = 75cos200 + 75sin200j

= -70.47 i - 25.65 j

force of 146 pounds

F₃ = 146cos300 i + 146sin300j

= 73i -126.44 j

Resultant force

R = F₁+ F₂ + F₃

=  -16.5 i +93.55 j  -70.47 i - 25.65 j +73i -126.44 j

= -13.97 i - 58.54 j

Magnitude of R = √ ( 13.97² + 58.54² )

= 60.18

If Ф be angle of resultant with  axis

tanФ = - 58.54 / -13.97

Ф = 76.57 + 180 = 256.57 , because both  x and y components are negative. So the resultant will be in third quadrant.

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All the following statements are true. Which one is most important in explaining the tremendous tidal heating that occurs on Io?
SVEN [57.7K]

Answer:

  • <u>Option:(D)-</u>

<em>"Io orbits Jupiter on an elliptical orbit, due to orbital resonances with other satellites."</em>

Explanation:

  • <u>"Io" moon of Jupiter:</u>

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