physics question help (1 Viewer)

[Antony Hanna]

Donovan Bailey ran the 100 m dash at the Atlanta Olympics in 9.84 s. Michael Johnson ran
the 200 m in 19.32 s and the 400 m in 43.49 s. Find the average speed fro each of them.

 

[jimmysmith560]

The official answers are as follows:

• Donovan Bailey - 10.2 m/s
• Michael Johnson - 10.4 m/s (200 m) and 9.2 m/s (400 m)

You can solve the question by using the following formula:



You may have noticed that you are given both the total distance and the total time with respect to each run.

Based on the above, the average speed of Donovan Bailey is

Similarly, the average speed of Michael Johnson in the 200 m run is

Lastly, the average speed of Michael Johnson in the 400 m run is

I hope this helps!

 

[ExtremelyBoredUser]

The official answers are as follows:

• Donovan Bailey - 10.2 m/s
• Michael Johnson - 10.4 m/s (200 m) and 9.2 (400 m)

You can solve the question by using the following formula:

View attachment 35086

You may have noticed that you are given both the total distance and the total time with respect to each run.

Based on the above, the average speed of Donovan Bailey is

Similarly, the average speed of Michael Johnson in the 200 m run is

Lastly, the average speed of Michael Johnson in the 400 m run is

I hope this helps!

wait did u find the textbook/resource that had those questions for the official answers. jimmy ur a beast