Science, asked by reenamani2012, 4 months ago

19. An athlete covers a distance of 100 meters in 20 seconds calculate her speed in kmph​

Answers

Answered by 12silkikumari12
1

Answer:

100m =100/1000km

20 sec = 20/3600 hr

speed = distance / time

=100/1000/20/3600

=100/1000×3600/20

=18 kmph

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