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Physics
Physics
Problem
Three identical cranes lift the same
500
kg
500\,\text{kg}
500
kg
load through
20
m
20\,\text{m}
20
m
. Crane A completes the lift in
50
s
50\,\text{s}
50
s
, crane B in
40
s
40\,\text{s}
40
s
and crane C in
30
s
30\,\text{s}
30
s
. Rank the cranes in decreasing order of average power delivered and justify your answer in one sentence.
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