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dolphi86 [110]
3 years ago
8

A classmate is working with a source that

Physics
1 answer:
puteri [66]3 years ago
3 0

The term <u>c</u><u>e</u><u>l</u><u>l</u> is incorrect because, the average voltage of a cell is 3.40 V and as already mentioned in question, the volt of source is 18 V, so cell couldn't be the appropriate word, actually the source is <u>b</u><u>a</u><u>t</u><u>t</u><u>e</u><u>r</u><u>y</u><u>.</u>

Now, the source is most likely related to cell because a <u>b</u><u>a</u><u>t</u><u>t</u><u>e</u><u>r</u><u>y</u> which is the source here, is made up of a "group of cell".

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You can chew through very tough objects with your incisors because they exert a large force on the small area of a pointed tooth
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3 years ago
Contact lenses are designed to be gas permeable in order to allow oxygen to diffuse to the eye. If the edge of a contact lens is
guapka [62]

Answer: A

The diffusion time through the edge is double the diffusion time through the center.

Explanation:

Only the diffusion coefficient, thickness, surface area, distance affects the time it takes a gas such as oxygen to diffuse a given in a medium. The Diffusion time increases with the square of diffusion distance  Also, the Increased surface area increases the rate of diffusion or the diffusion time, whereas a thicker membrane reduces the rate of diffusion or time it takes the gas to be permeable. Also, The greater the distance that a substance must travel, the slower the rate of diffusion The diffusion coefficient determines the time it takes a gas to diffuse. Also the Diffusion time is inversely proportional to the diffusion coefficient.

Now, If the edge of a contact lens is double the thickness of the central portion of the lens, then it will take more time for the gas to diffuse through the thicker portion. since its edge is double the central position, then the diffusion time will also be doubled. So Option A is the best answer-

The diffusion time through the edge is double the diffusion time through the center.

6 0
4 years ago
Conversion of one form of energy into another form is ​
Artist 52 [7]

Answer: energy transformation

5 0
3 years ago
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Dani and Gina are pushing a box. Dani pushes with 257 N of force and Gina pushes with 86 N of force.
Advocard [28]

Answer:

Pushing from the same direction: 343 N

Pushing from opposite directions: 171 N

Explanation:

If Dani and Gina are pushing in the same direction then you would add up the forces they are pushing with since the force is applied in the same direction.

257N+86N=343 N

If Dani and Gina are pushing in the opposite direction then you would subtract the forces they are pushing with because they are going against each other.

257N-86N=171 N

Hope this helped! :)

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3 years ago
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