lildarryl727 lildarryl727
  • 19-11-2020
  • Physics
contestada

How much power does it take to lift a 24 kg gift box 6m above the floor in 4 s?

Respuesta :

samuelonum1
samuelonum1 samuelonum1
  • 26-11-2020

Answer:

5.6kW

Explanation:

Step one:

given

mass m= 24kg

distance moved= 6m

time taken= 4seconds

Step two:

Required

power

but work done is the force applied at a distance, and the power is the work done time the time taken

Work done= F*D

F=mg

W= mg*D

W=24*9.81*6

W=1412.6J

Power P= work * time

P=1412.6*4

p=5650.5W

P=5.6kW

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