After a robot vacuum is fully charge. It can run for 15 minutes. It can vacuum 1/2 square meter every second. Can a fully charge robot clean a room that is 400 square meter without recharging?
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Step-by-step explanation:
:yes it can because of this-
vaccum ability of 1 minute=1/2×60=30square meter
vaccum ability after fully charge =30×15min=450 square meter.
Thus,=450^ 400,450 is greater
Hopefully it's help your doubt thanks.
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