kendallnicolee kendallnicolee

02-03-2020
Physics

contestada

9. A woman runs a kilometer using a force of 210N and a power output of 500W. How
long in minutes does it take this woman to complete 1 kilometer?

Respuesta :

MathPhys MathPhys

02-03-2020

Answer:

7 minutes

Explanation:

Power = work / time

Power = force × distance / time

500 W = 210 N × 1000 m / t

t = 420 s

t = 7 min

Answer Link

Chelboy Chelboy

02-03-2020

Answer:420seconds

Explanation:

Force=210N power=500W

distance=1km=1000m

Time=?

Time=(force x distance)/power

Time=(210x1000)/500

Time=210000/500

Time=420seconds

Answer Link

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