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3 years ago

Explain the main differences between muscular strength and endurance

2 answers:

7 0

Muscle strength is the ability to exert a maximal amount of force for a short period of time. ... Think about lifting that heavy box when moving – that requires strength. Muscle endurance is the ability to do something over and over for an extended period of time without getting tired.

melomori [17]3 years ago

6 0

Answer:

Muscle strength is the ability to exert a maximal amount of force for a short period of time.

Muscle endurance is the ability to do something over and over for an extended period of time without getting tired.

Explanation:

Hope this helps!!!!!!!!!!!!!!!!!

Forever friend and helper,

Cammie :)

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Sound quality can be divided

iris [78.8K]

Sound quality can be divided into amplitude, timbre and pitch. If there’s an impedance mismatch between your two devices connected to the single output, you could have a large mismatch between the levels arriving at each device. If the difference is large enough, one device may have distorted or inaudible audio.

To avoid this, you should ensure that both devices connected to the split signal are similar - such as 2 pairs of headphones, 2 recorder inputs, and so on. When you place 2 devices with wildly differing load impedances on a splitter is when you’ll encounter problems - such as headphones on one split and a guitar amp input on the other.

To get around this, you can use either a distribution amplifier (D.A.) or a transformer balanced/isolated splitter - which will work over a larger range of load impedances, typically. Depends on the quality of the splitter and the exact signal path. If you’re using the splitter to hook two things into one input, and you’re using quality connectors, you probably won’t lose much quality. There can be an increase in impedance of the cable due to the imperfect continuity of the physical connection, however with unbalanced line-level signals, impedance at both ends of the chain tends to be orders of magnitude higher than the connection will create, so one split will be barely noticeable. So too, the noise increase from the additional length of cable.

Now, one source into two inputs, that will by basic math and physics result in a 3dB drop in signal strength, which will reduce SNR by about that much. By splitting the signal path between two inputs of equal impedance, half of the wattage is being consumed by one input and half by the other (the equation changes if the inputs have significantly different impedances). So each input gets half the wattage produced by the source to drive the signal on the input cable, and in decibel terms a halving of power is a 3dB reduction. Significant, until you just turn the gain back up. The “noise floor” will be raised by however much noise is inherent in the signal path between the split and the output of the gain stage; for pro audio this is usually infinitesimal, but consumer audio can have some really noisy electronics, both for lower cost and because you’re not expected to be “re-amping” signals several times between the source and output.

8 0

3 years ago

Help I don’t understand and I’m so confused and I’m doing online school please help 7-15

Wittaler [7]

For questions 11-15

11. Magnesium Oxide is a combination between Magnesium and oxygen so the formula will be MgO

12. Calcium Chloride is a combination between Calcium and Chlorine, so the formula will be CaCl₂ the ₂ comes from the fact that there is two Chlorine atoms

13. Lithium Sulfide is a combination between Two lithium and a sulfur atoms,

so the formula will be Li₂S The ₂ coming from the two lithium atoms

14. Barium Selenide is a combination between Barium and Selenium so the formula will be BaSe

15. Aluminum Oxide is a combination between Aluminum and Oxygen, there are two Aluminum atoms and three Oxygen atoms, so it will make Al₂O₃

Hope this helps

7 0

3 years ago

Someone PLEASE help!!!!!!

Valentin [98]

Answer:

1.) spindle fibers and centrioles form

2.) chromosomes align on metaphase plate

3.) chromosomes move to opposite poles

4.) two identical nucleotides form

Mitosis is important because it is responsible for the growth of is responsible for human development.

Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.

Explanation:

5 0

3 years ago

The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called telophase. mitosis. cytokinesis.

Nikitich [7]

Cytokinesis, which occurs at the end of Telophase in the process of Mitosis in Eukaryotic cells.
*Binary Fission occurs in Prokaryotes

5 0

3 years ago

Match each step of the scientific method with its description.

Shtirlitz [24]

Answer:

I have put the question like this ;

Tiles

1. construct a hypothesis

2. communicate the results

3. test the hypothesis

4. make observations

5. analyze the results and

make a conclusion

6. ask questions

Pairs

A. Bread, when kept in the open for a

long time, shows the presence of mold.

B. What causes mold growth on bread?

C. Changes in temperature may affect

the growth of mold on bread.

D. Keep the bread in different locations,

changing the temperature at each location.

E. Increased temperature leads to the

growth of mold.

F. Make a presentation of the data, and

explain it to the class.

Explanation:

<h3>ANSWERS :</h3>

1- C ( this is an assumption; a hypothesis is always based on an assumption.

2- F ( this states to share the results with other classmates).

3- D (this is a description of an experiment you could conduct; you test a hypothesis (usually) by conducting an experiment.

4- A (this is something you could observe during the experiment, therefore it is an observation).

5- E (this sentence is a conclusion).

6- B (This is an actual question)

4 0

4 years ago