Question

If a persons runs 100 meters in 10 secondw what is his average speed

Answer 1

Answer:

The average speed is 10m/s.

Explanation:

Average speed=Total distance travelled/Total time taken

=100/10

=10m/s.

Answer 2

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100 metres in 10 seconds,

600 metres in a minute (100×6),

36,000 metres in an hour (600×60),

36 kilometres in an hour (36000/1000)

Obviously nobody would be able to run at that speed for an hour but the speed is 36km/h.