Answer:
workdone by the person in J is 445.92J
Explanation:
workdone= force x total distance
force= mass x acceleration due to gravity(g)\
mass=4.5kg
g=9.81m/s
force= 4.5 x 9.81 =44.15N
total distance=1.4+8.7=10.1m
workdone=44.15 x 10.1
=445.92J
It made shipping goods difficult
<span>The United States gained full control of the Panama Canal in 1903 through the Hay-Bunau-Varilla Treaty with Panama helping Panama gain independence from Columbia.
Hope this helps!!</span>