kmay5351 kmay5351

20-03-2018
Physics

contestada

if a runner's power is 400 w as she run's how much chemical energy does she convert into other forms in 10.0 minutes?

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skyluke89 skyluke89

29-03-2018

The runner runs for a total time of
[tex]\Delta t=10.0 min= 600 s[/tex]
The energy converted by the runner during this time is equal to the power of the runner times the total time:
[tex]E=P \Delta t=400 W \cdot 600 s =2.4 \cdot 10^5 J[/tex]

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