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PolarNik [594]
2 years ago
15

An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner’s average speed? (Round your answer to the

nearest tenth of a meter per second. ) 0. 9 m/s 1. 2 m/s 8. 7 m/s 10. 1 m/s.
Physics
1 answer:
Amanda [17]2 years ago
3 0

The average speed of the runner is 8.7m/s.

Therefore, Option C) 8.7m/s is the correct answer.

Given the data in the question;

Distance covered; d = 200m

Time taken; t = 23s

Average speed; s = \ ?

Speed is the rate at which an object covers a certain distance. It is expressed as:

s = \frac{d}{t}

Where s is speed, d is distance and t is time taken.

We substitute our given distance into the equation

s = \frac{200m}{23s} \\\\s = 8.6956m/s\\\\s = 8.7m/s

The average speed of the runner is 8.7m/s

Therefore, Option C) 8.7m/s is the correct answer.

Learn more: brainly.com/question/21503615

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*  most of the emission would be in the infrared part, the visible radiation would be very small.

*total intensity of the semition decreases that the intensity depends on the fourth power of the temperature

Explanation:

The radiation emitted by the Sun is approximately the radiation of a black body, if the Sun were to cool, the maximum emission wavelength changes

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if the temperature decreases the maximum wavelength the greater values ​​are moved, that is to say towards the infrared. Therefore the emission curve also moves, in this case most of the emission would be in the infrared part, the visible radiation would be very small.

Furthermore, the total intensity of the semition decreases that the intensity depends on the fourth power of the temperature according to Stefan's law

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Circle the larger unit:
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To perform a drug lookup to ensure that the new compound has been added to the computer system properly , select in the toolbar
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To perform a drug lookup to ensure that the new compound has been added to the computer system properly we have to select the new from the toolbar at the top of the screen

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Selecting the new from the toolbar at the top of the screen will allow us to run a drug lookup to make sure the new compound has been properly added to the computer system.

Therefore the correct answer is the option C

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<h3>What is galvanic cell?</h3>
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