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Earn +20 ptsQ: A boy runs 400 meters in 50 seconds what is his average speed?
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An athlete runs 100 meters in 12.5 seconds what is his average speed?
8m/s
A student runs 100 meters in 11 seconds what is the speed of the student?
9.09 m/s
What is the average speed of someone who runs 200 meters in 28 seconds?
200 metres/28 seconds = 7.1 metres/second, to the justified number of significant digits.
A child runs 200 meters in 40 seconds calculate the average speed?
200 metres in 40 seconds 20 metres in 4 seconds 300 metres in 60 seconds or 1 minute 18000 metres in 60 minutes or 1 hour 18 kilometres in 1 hour
Earl runs 75 meters in 30 seconds. How many meters does earl run per second?
speed = distance/time so he runs 75/30 = 2.5 m/s
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