, 20.07.2021 04:10 hartzpeyton136

# A construction crane lifts a bucket of sand originally weighing 145 lbs at a constant rate. Sand is lost from the bucket at a constant rate of .5lbs/ft. How much work is done in lifting the sand 80ft?

Step-by-step explanation:

Given

Initial weight of the bucket is

It is lifted at constant rate and rate of sand escaping is

At any height weight of the sand is

Work done is given by the product of applied force and displacement or the area under weight-displacement graph

from the figure area is given by

Icanβt answer if there is no diagram

the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24. hope this ! mark brainliest! you v much! : )

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