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denis23 [38]
3 years ago
10

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

arest tenth of a meter per second.)
Physics
2 answers:
kati45 [8]3 years ago
6 0

Answer:

8.7

Explanation:

LUCKY_DIMON [66]3 years ago
5 0
The answer that is got 8.7 . I got that because if you divide 200 by 23  you get <span>8.69565217391 and if you round that you get 8.7</span>
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An object with an initial velocity of 27 m/s has a final velocity of 39 m/s after 13 seconds.
grigory [225]

Answer:

<h3>The answer is 0.92 m/s²</h3>

Explanation:

To find the acceleration of an object given it's initial and final velocity and time taken we use the formula

a =  \frac{v - u}{t}  \\

where

v is the final velocity

u is the initial velocity

t is the time taken

a is the acceleration

From the question

v = 39 m/s

u = 27 m/s

t = 13 s

We have

a =  \frac{39 - 27}{13}  =  \frac{12}{13}  \\  = 0.923076... \:  \:  \:

We have the final answer as

<h3>0.92 m/s²</h3>

Hope this helps you

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Answer:

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b

Explanation:

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