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ZLEN43490IN
Answered

if a construction worker has to lift 20 bags of cement from the ground floor to the second floor with vertical distance of 4.5 m each bag of cement has a mass of 500 kg if the workers calorie intake for the day is 250 calories what percent of his intake was used to lift the bags of cement ?​

Sagot :

ITSYABOYTIMOTHYIN

Answer:

Given:

m = 2.5 kg

d = 1.5 m

Required:

W

Equations:

F = mg

W = Fd

Solution:

W = Fd

W = mgd

W = (2.5 kg)(9.8 m/s²)(1.5 m)

Answer:

W = 36.75 J

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