billybob2894101011 billybob2894101011
  • 12-01-2021
  • Physics
contestada

7) How much work does an elevator motor do in lifting a 300. kg
elevator (at constant speed) up 16.5 m with 500.0 kg in the
elevator? W

Respuesta :

quasarJose
quasarJose quasarJose
  • 12-01-2021

Answer:

48510J

Explanation:

Given parameters:

Mass of the elevator  = 300kg

Height  = 16.5m

Unknown:

Work done  = ?

Solution:

Work done is defined as the force applied to move a body through a particular distance or height.

 Here;

   Work done  = Force x distance  = mgh

 m is the mass

  g is the acceleration due to gravity

  h is the height

 Work done  = 300 x 9.8 x 16.5  = 48510J

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