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Q: This runner completed a 100 meter race with a time of 13.75 seconds. what was her average speed?

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About 365.5 meters a minute.

2 seconds

It's a deceleration of 2.93 meters per second squared

6.66 meters per second.

100 meters/15.2 seconds 100 meters = 0.0621371192 miles 15.2 seconds = 0.00422222222 hours 100 m/15.2s = 14.7166861 mph average

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10.0 m/s

The average time for a 200 meter sprint race depends on the age of the runner. But, the average time is from 30 seconds to about 40 seconds to run this distance.

About 365.5 meters a minute.

22.36 mph

Between 35 to 39 seconds

around 1 meter or more

Usian Bolt 9.58 seconds.

Legally Carl Lewis.

50

38 seconds

An average time for a 14-year-old running the 50 meter dash is around 9 seconds. For a 100 meter dash, it would be about 13 seconds.

Magnitude of average acceleration = (change of speed) divided by (time for the change)Average 'A' = (6 - 4) / 20 = 2/20 = 0.1 meter per second2-- That's the average over the 20 seconds. We don't know anything about thevalue of the acceleration at any particular instant during the 20 seconds.-- We're working entirely with scalars ... speed, not velocity, and magnitude ofacceleration ... since we don't know anything about the runner's direction atany time during the whole event.

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