cherry5453 cherry5453
  • 09-08-2021
  • Physics
contestada

How long will it take a 6000W motor to lift a 5000kg load through a height of 2.5m?

Respuesta :

jcherry99
jcherry99 jcherry99
  • 09-08-2021

Answer:

20.4375 seconds.

Explanation:

Wattage = Work / time

Work = f * d

F = mass * acceleration

mass = 5000 kg

acceleration = force of gravity

acceleration = 9.81

Force = 5000 * 9.81

Force = 49050 N

Work = F * d

d = 2.5

Work = 49050 * 2.5

Work = 122625 Joules

Wattage = Work / time

time = work / wattage

wattage = 6000 watts

time = 122625 / 6000

time = 20.4375 seconds.

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