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nadine6085859r
22.06.2019 •
Physics
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
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Ответ:
150 steps/min=1.75 m/s=6.36 km/h
Explanation:
First of all, we need to convert 3000 steps into meters and 20 min into seconds. We know that
1 step = 0.7 m
1 min = 60 s
so,
So, the speed is
Now we need to convert into km/h. We know that:
So, we have
So, the velocity is
Ответ: