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Subjects>Math>Math & Arithmetic

How many mph is 100 yards in 9.21 seconds?

Anonymous

∙ 14y ago

Updated: 10/24/2022

1 mile = 1760 yards

1/1760 mile = 1 yard

100/1760 miles = 100 yards

1 hour = 3600 seconds

1/3600 hour = 1 second

9.21/3600 hours = 9.21seconds

speed = distance / time

= (100/1760 miles) / (9.21/3600 hours)

~= 22.21 mph.

Wiki User

∙ 14y ago

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