In 200920092009, Usain Bolt set the world record for sprinting 100 / text{ m}100 m100, start text, space, m, end text in approximately 9/dfrac359 5 3 9, start fraction, 3, divided by, 5, end fraction seconds. Find his average speed in meters per second.

Question

Maleah Carrillo

Mathematics

7 January, 08:57

In 200920092009, Usain Bolt set the world record for sprinting 100 / text{ m}100 m100, start text, space, m, end text in approximately 9/dfrac359 5 3 9, start fraction, 3, divided by, 5, end fraction seconds. Find his average speed in meters per second.

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Answers (1)

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Tommy Harrington · Answer 1

10.4166 m/s

Step-by-step explanation:

His time is 9 + 3/5 sec = 9.6 sec

Distance is 100 m

Average speed = d/t

= 100/9.6 = 10.4166 m/s

Approximately